diff --git a/app/Console/Commands/RebuildQueryserviceData.php b/app/Console/Commands/RebuildQueryserviceData.php
index 8286950e4..fbc9308f4 100644
--- a/app/Console/Commands/RebuildQueryserviceData.php
+++ b/app/Console/Commands/RebuildQueryserviceData.php
@@ -42,7 +42,7 @@ public function handle(MediaWikiHostResolver $mwHostResolver) {
         $skippedWikis = 0;
         $processedWikis = 0;
         foreach ($wikis as $wiki) {
-            $this->apiUrl = $mwHostResolver->getBackendHostForDomain($wiki->domain) . '/w/api.php'; // used in PageFetcher::fetchPagesInNamespace
+            $this->apiUrl = $mwHostResolver->getBackendUrlForDomain($wiki->domain) . '/w/api.php'; // used in PageFetcher::fetchPagesInNamespace
 
             try {
                 $entities = $this->getEntitiesForWiki($wiki);
diff --git a/app/Jobs/CirrusSearch/CirrusSearchJob.php b/app/Jobs/CirrusSearch/CirrusSearchJob.php
index ce6d6bad6..95f35c102 100644
--- a/app/Jobs/CirrusSearch/CirrusSearchJob.php
+++ b/app/Jobs/CirrusSearch/CirrusSearchJob.php
@@ -70,7 +70,7 @@ public function handle(HttpRequest $request, MediaWikiHostResolver $mwHostResolv
 
         $request->setOptions(
             [
-                CURLOPT_URL => $mwHostResolver->getBackendHostForDomain($this->wiki->domain) . '/w/api.php?action=' . $this->apiModule() . $this->getQueryParams(),
+                CURLOPT_URL => $mwHostResolver->getBackendUrlForDomain($this->wiki->domain) . '/w/api.php?action=' . $this->apiModule() . $this->getQueryParams(),
                 CURLOPT_RETURNTRANSFER => true,
                 CURLOPT_ENCODING => '',
                 CURLOPT_TIMEOUT => $this->getRequestTimeout(),
diff --git a/app/Jobs/MediawikiInit.php b/app/Jobs/MediawikiInit.php
index 76bb5b4e4..6922923a5 100644
--- a/app/Jobs/MediawikiInit.php
+++ b/app/Jobs/MediawikiInit.php
@@ -31,7 +31,7 @@ public function handle(HttpRequest $request, MediaWikiHostResolver $mwHostResolv
         ];
 
         $request->setOptions([
-            CURLOPT_URL => $mwHostResolver->getBackendHostForDomain($this->wikiDomain) . '/w/api.php?action=wbstackInit&format=json',
+            CURLOPT_URL => $mwHostResolver->getBackendUrlForDomain($this->wikiDomain) . '/w/api.php?action=wbstackInit&format=json',
             CURLOPT_RETURNTRANSFER => true,
             CURLOPT_ENCODING => '',
             CURLOPT_TIMEOUT => 60,
diff --git a/app/Jobs/MediawikiSandboxLoadData.php b/app/Jobs/MediawikiSandboxLoadData.php
index 8d2944326..d1e3940e6 100644
--- a/app/Jobs/MediawikiSandboxLoadData.php
+++ b/app/Jobs/MediawikiSandboxLoadData.php
@@ -27,7 +27,7 @@ public function handle(MediaWikiHostResolver $mwHostResolver) {
 
         $curl = curl_init();
         curl_setopt_array($curl, [
-            CURLOPT_URL => $mwHostResolver->getBackendHostForDomain($this->wikiDomain) . '/w/rest.php/wikibase-exampledata/v0/load',
+            CURLOPT_URL => $mwHostResolver->getBackendUrlForDomain($this->wikiDomain) . '/w/rest.php/wikibase-exampledata/v0/load',
             CURLOPT_RETURNTRANSFER => true,
             CURLOPT_ENCODING => '',
             CURLOPT_TIMEOUT => 10 * 60, // TODO Long 10 mins (probably shouldn't keep the request open...)
diff --git a/app/Jobs/PlatformStatsSummaryJob.php b/app/Jobs/PlatformStatsSummaryJob.php
index a8c5beeb2..f201e0c2d 100644
--- a/app/Jobs/PlatformStatsSummaryJob.php
+++ b/app/Jobs/PlatformStatsSummaryJob.php
@@ -80,7 +80,7 @@ public function prepareStats(array $allStats, $wikis): array {
         $currentTime = CarbonImmutable::now();
 
         foreach ($wikis as $wiki) {
-            $this->apiUrl = $this->mwHostResolver->getBackendHostForDomain($wiki->domain) . '/w/api.php'; // used in PageFetcher::fetchPagesInNamespace
+            $this->apiUrl = $this->mwHostResolver->getBackendUrlForDomain($wiki->domain) . '/w/api.php'; // used in PageFetcher::fetchPagesInNamespace
 
             if (!is_null($wiki->deleted_at)) {
                 $deletedWikis[] = $wiki;
diff --git a/app/Jobs/PollForMediaWikiJobsJob.php b/app/Jobs/PollForMediaWikiJobsJob.php
index 60d8d1e1b..6e3ad0168 100644
--- a/app/Jobs/PollForMediaWikiJobsJob.php
+++ b/app/Jobs/PollForMediaWikiJobsJob.php
@@ -28,7 +28,7 @@ private function hasPendingJobs(string $wikiDomain): bool {
         $response = Http::withHeaders([
             'host' => $wikiDomain,
         ])->get(
-            $this->mwHostResolver->getBackendHostForDomain($wikiDomain) . '/w/api.php?action=query&meta=siteinfo&siprop=statistics&format=json'
+            $this->mwHostResolver->getBackendUrlForDomain($wikiDomain) . '/w/api.php?action=query&meta=siteinfo&siprop=statistics&format=json'
         );
 
         if ($response->failed()) {
diff --git a/app/Jobs/SiteStatsUpdateJob.php b/app/Jobs/SiteStatsUpdateJob.php
index d16afcddf..51c561fc4 100644
--- a/app/Jobs/SiteStatsUpdateJob.php
+++ b/app/Jobs/SiteStatsUpdateJob.php
@@ -34,7 +34,7 @@ public function handle(HttpRequest $request, MediaWikiHostResolver $mwHostResolv
         Log::info(__METHOD__ . ": Updating stats for $wiki->domain");
 
         $request->setOptions([
-            CURLOPT_URL => $mwHostResolver->getBackendHostForDomain($wiki->domain) . '/w/api.php?action=wbstackSiteStatsUpdate&format=json',
+            CURLOPT_URL => $mwHostResolver->getBackendUrlForDomain($wiki->domain) . '/w/api.php?action=wbstackSiteStatsUpdate&format=json',
             CURLOPT_RETURNTRANSFER => true,
             CURLOPT_ENCODING => '',
             CURLOPT_TIMEOUT => 60 * 5,
diff --git a/app/Jobs/UpdateWikiSiteStatsJob.php b/app/Jobs/UpdateWikiSiteStatsJob.php
index a85aeb325..9abc1ee03 100644
--- a/app/Jobs/UpdateWikiSiteStatsJob.php
+++ b/app/Jobs/UpdateWikiSiteStatsJob.php
@@ -59,7 +59,7 @@ private function updateSiteStats(Wiki $wiki): void {
         $response = Http::withHeaders([
             'host' => $wiki->getAttribute('domain'),
         ])->get(
-            $this->mwHostResolver->getBackendHostForDomain($wiki->domain) . '/w/api.php?action=query&meta=siteinfo&siprop=statistics&format=json'
+            $this->mwHostResolver->getBackendUrlForDomain($wiki->domain) . '/w/api.php?action=query&meta=siteinfo&siprop=statistics&format=json'
         );
 
         if ($response->failed()) {
@@ -81,7 +81,7 @@ private function updateSiteStats(Wiki $wiki): void {
 
     private function getFirstEditedDate(Wiki $wiki): ?CarbonInterface {
         $allRevisions = Http::withHeaders(['host' => $wiki->getAttribute('domain')])->get(
-            $this->mwHostResolver->getBackendHostForDomain($wiki->domain) . '/w/api.php',
+            $this->mwHostResolver->getBackendUrlForDomain($wiki->domain) . '/w/api.php',
             [
                 'action' => 'query',
                 'format' => 'json',
@@ -99,7 +99,7 @@ private function getFirstEditedDate(Wiki $wiki): ?CarbonInterface {
         }
 
         $revisionInfo = Http::withHeaders(['host' => $wiki->getAttribute('domain')])->get(
-            $this->mwHostResolver->getBackendHostForDomain($wiki->domain) . '/w/api.php',
+            $this->mwHostResolver->getBackendUrlForDomain($wiki->domain) . '/w/api.php',
             [
                 'action' => 'query',
                 'format' => 'json',
@@ -119,7 +119,7 @@ private function getFirstEditedDate(Wiki $wiki): ?CarbonInterface {
 
     private function getLastEditedDate(Wiki $wiki): ?CarbonInterface {
         $allRevisions = Http::withHeaders(['host' => $wiki->getAttribute('domain')])->get(
-            $this->mwHostResolver->getBackendHostForDomain($wiki->domain) . '/w/api.php',
+            $this->mwHostResolver->getBackendUrlForDomain($wiki->domain) . '/w/api.php',
             [
                 'action' => 'query',
                 'format' => 'json',
@@ -137,7 +137,7 @@ private function getLastEditedDate(Wiki $wiki): ?CarbonInterface {
         }
 
         $revisionInfo = Http::withHeaders(['host' => $wiki->getAttribute('domain')])->get(
-            $this->mwHostResolver->getBackendHostForDomain($wiki->domain) . '/w/api.php',
+            $this->mwHostResolver->getBackendUrlForDomain($wiki->domain) . '/w/api.php',
             [
                 'action' => 'query',
                 'format' => 'json',
diff --git a/app/Jobs/WikiEntityImportJob.php b/app/Jobs/WikiEntityImportJob.php
index aa069629a..e8887426b 100644
--- a/app/Jobs/WikiEntityImportJob.php
+++ b/app/Jobs/WikiEntityImportJob.php
@@ -77,7 +77,7 @@ private static function domainToOrigin(string $domain): string {
 
     private static function acquireCredentials(string $wikiDomain, MediaWikiHostResolver $mwHostResolver): OAuthCredentials {
         $response = Http::withHeaders(['host' => $wikiDomain])->asForm()->post(
-            $mwHostResolver->getBackendHostForDomain($wikiDomain) . '/w/api.php?action=wbstackPlatformOauthGet&format=json',
+            $mwHostResolver->getBackendUrlForDomain($wikiDomain) . '/w/api.php?action=wbstackPlatformOauthGet&format=json',
             [
                 'consumerName' => 'WikiEntityImportJob',
                 'ownerOnly' => '1',
diff --git a/app/Services/MediaWikiHostResolver.php b/app/Services/MediaWikiHostResolver.php
index c8e6454fe..478a41c13 100644
--- a/app/Services/MediaWikiHostResolver.php
+++ b/app/Services/MediaWikiHostResolver.php
@@ -37,6 +37,10 @@ public function getBackendHostForDomain(string $domain): string {
         return sprintf('mediawiki-%s-app-backend.default.svc.cluster.local', $this->getMwVersionForDomain($domain));
     }
 
+    public function getBackendUrlForDomain(string $domain): string {
+        return 'http://' . $this->getBackendHostForDomain($domain);
+    }
+
     private function getMwVersionForDomain(string $domain): string {
         $wiki = Wiki::where('domain', $domain)->first();
 
diff --git a/composer.json b/composer.json
index 782234cb2..369437582 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
         "absszero/laravel-stackdriver-error-reporting": "^1.9",
         "firebase/php-jwt": "^7.0",
         "google/recaptcha": "^1.2",
-        "guzzlehttp/guzzle": "^7.8",
+        "guzzlehttp/guzzle": "^7.13",
         "guzzlehttp/psr7": "^2.9",
         "hackzilla/password-generator": "^1.6",
         "intervention/image": "^2.5",
diff --git a/composer.lock b/composer.lock
index 2f7328f4a..cc1783156 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "b53936f6dbe98d5646390f1d2e1fe647",
+    "content-hash": "4f87450f1479cff4b4f12411ac2cb301",
     "packages": [
         {
             "name": "absszero/laravel-stackdriver-error-reporting",
@@ -1691,25 +1691,26 @@
         },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "7.10.5",
+            "version": "7.13.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "7c8d84b39e680315f687e8662a9d6fb0865c5148"
+                "reference": "a4decaa9745dc567467970e43f183e260cfa51fd"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/7c8d84b39e680315f687e8662a9d6fb0865c5148",
-                "reference": "7c8d84b39e680315f687e8662a9d6fb0865c5148",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/a4decaa9745dc567467970e43f183e260cfa51fd",
+                "reference": "a4decaa9745dc567467970e43f183e260cfa51fd",
                 "shasum": ""
             },
             "require": {
                 "ext-json": "*",
-                "guzzlehttp/promises": "^2.3",
-                "guzzlehttp/psr7": "^2.8",
+                "guzzlehttp/promises": "^2.5",
+                "guzzlehttp/psr7": "^2.12.3",
                 "php": "^7.2.5 || ^8.0",
                 "psr/http-client": "^1.0",
-                "symfony/deprecation-contracts": "^2.2 || ^3.0"
+                "symfony/deprecation-contracts": "^2.5 || ^3.0",
+                "symfony/polyfill-php80": "^1.25"
             },
             "provide": {
                 "psr/http-client-implementation": "1.0"
@@ -1718,7 +1719,7 @@
                 "bamarni/composer-bin-plugin": "^1.8.2",
                 "ext-curl": "*",
                 "guzzle/client-integration-tests": "3.0.2",
-                "guzzlehttp/test-server": "^0.4",
+                "guzzlehttp/test-server": "^0.6",
                 "php-http/message-factory": "^1.1",
                 "phpunit/phpunit": "^8.5.52 || ^9.6.34",
                 "psr/log": "^1.1 || ^2.0 || ^3.0"
@@ -1798,7 +1799,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/guzzle/issues",
-                "source": "https://github.com/guzzle/guzzle/tree/7.10.5"
+                "source": "https://github.com/guzzle/guzzle/tree/7.13.0"
             },
             "funding": [
                 {
@@ -1814,24 +1815,25 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-05-27T11:53:46+00:00"
+            "time": "2026-06-29T13:31:06+00:00"
         },
         {
             "name": "guzzlehttp/promises",
-            "version": "2.4.1",
+            "version": "2.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/promises.git",
-                "reference": "09e8a212562fb1fb6a512c4156ed71525969d6c2"
+                "reference": "4360e982f87f5f258bf872d094647791db2f4c8e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/promises/zipball/09e8a212562fb1fb6a512c4156ed71525969d6c2",
-                "reference": "09e8a212562fb1fb6a512c4156ed71525969d6c2",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/4360e982f87f5f258bf872d094647791db2f4c8e",
+                "reference": "4360e982f87f5f258bf872d094647791db2f4c8e",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.2.5 || ^8.0"
+                "php": "^7.2.5 || ^8.0",
+                "symfony/deprecation-contracts": "^2.5 || ^3.0"
             },
             "require-dev": {
                 "bamarni/composer-bin-plugin": "^1.8.2",
@@ -1881,7 +1883,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/promises/issues",
-                "source": "https://github.com/guzzle/promises/tree/2.4.1"
+                "source": "https://github.com/guzzle/promises/tree/2.5.0"
             },
             "funding": [
                 {
@@ -1897,20 +1899,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-05-20T22:57:30+00:00"
+            "time": "2026-06-02T12:23:43+00:00"
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "2.11.1",
+            "version": "2.12.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "640e2897bbee822dbc8af761d49e1a29b1f2a6b1"
+                "reference": "7ec62dc3f44aa218487dbed81a9bf9bc647be55d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/640e2897bbee822dbc8af761d49e1a29b1f2a6b1",
-                "reference": "640e2897bbee822dbc8af761d49e1a29b1f2a6b1",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/7ec62dc3f44aa218487dbed81a9bf9bc647be55d",
+                "reference": "7ec62dc3f44aa218487dbed81a9bf9bc647be55d",
                 "shasum": ""
             },
             "require": {
@@ -1919,7 +1921,7 @@
                 "psr/http-message": "^1.1 || ^2.0",
                 "ralouphie/getallheaders": "^3.0",
                 "symfony/deprecation-contracts": "^2.5 || ^3.0",
-                "symfony/polyfill-php80": "^1.24"
+                "symfony/polyfill-php80": "^1.25"
             },
             "provide": {
                 "psr/http-factory-implementation": "1.0",
@@ -2000,7 +2002,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/2.11.1"
+                "source": "https://github.com/guzzle/psr7/tree/2.12.3"
             },
             "funding": [
                 {
@@ -2016,7 +2018,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-06-12T21:50:12+00:00"
+            "time": "2026-06-23T15:21:08+00:00"
         },
         {
             "name": "guzzlehttp/uri-template",
@@ -7143,16 +7145,16 @@
         },
         {
             "name": "symfony/deprecation-contracts",
-            "version": "v3.7.0",
+            "version": "v3.7.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/deprecation-contracts.git",
-                "reference": "50f59d1f3ca46d41ac911f97a78626b6756af35b"
+                "reference": "f3202fa1b5097b0af062dc978b32ecf63404e31d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/50f59d1f3ca46d41ac911f97a78626b6756af35b",
-                "reference": "50f59d1f3ca46d41ac911f97a78626b6756af35b",
+                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/f3202fa1b5097b0af062dc978b32ecf63404e31d",
+                "reference": "f3202fa1b5097b0af062dc978b32ecf63404e31d",
                 "shasum": ""
             },
             "require": {
@@ -7190,7 +7192,7 @@
             "description": "A generic function and convention to trigger deprecation notices",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.7.0"
+                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.7.1"
             },
             "funding": [
                 {
@@ -7210,7 +7212,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-04-13T15:52:40+00:00"
+            "time": "2026-06-05T06:23:12+00:00"
         },
         {
             "name": "symfony/error-handler",
diff --git a/tests/Commands/RebuildQueryserviceDataTest.php b/tests/Commands/RebuildQueryserviceDataTest.php
index 07387a22d..c71437624 100644
--- a/tests/Commands/RebuildQueryserviceDataTest.php
+++ b/tests/Commands/RebuildQueryserviceDataTest.php
@@ -25,10 +25,10 @@ protected function setUp(): void {
         WikiSetting::query()->delete();
         QueryserviceNamespace::query()->delete();
 
-        $this->mwBackendHost = 'mediawiki.localhost';
+        $this->mwBackendHost = 'http://mediawiki.localhost';
 
         $mockMwHostResolver = $this->createMock(MediaWikiHostResolver::class);
-        $mockMwHostResolver->method('getBackendHostForDomain')->willReturn(
+        $mockMwHostResolver->method('getBackendUrlForDomain')->willReturn(
             $this->mwBackendHost
         );
 
diff --git a/tests/Jobs/CirrusSearch/ForceSearchIndexTest.php b/tests/Jobs/CirrusSearch/ForceSearchIndexTest.php
index c20b36cda..85d4899d1 100644
--- a/tests/Jobs/CirrusSearch/ForceSearchIndexTest.php
+++ b/tests/Jobs/CirrusSearch/ForceSearchIndexTest.php
@@ -48,10 +48,10 @@ protected function setUp(): void {
             'wiki_id' => $this->wiki->id,
         ]);
 
-        $this->mwBackendHost = 'mediawiki.localhost';
+        $this->mwBackendHost = 'http://mediawiki.localhost';
 
         $this->mockMwHostResolver = $this->createMock(MediaWikiHostResolver::class);
-        $this->mockMwHostResolver->method('getBackendHostForDomain')->willReturn(
+        $this->mockMwHostResolver->method('getBackendUrlForDomain')->willReturn(
             $this->mwBackendHost
         );
     }
diff --git a/tests/Jobs/CirrusSearch/QueueSearchIndexBatchesTest.php b/tests/Jobs/CirrusSearch/QueueSearchIndexBatchesTest.php
index 1e7845c7d..f005b50c8 100644
--- a/tests/Jobs/CirrusSearch/QueueSearchIndexBatchesTest.php
+++ b/tests/Jobs/CirrusSearch/QueueSearchIndexBatchesTest.php
@@ -47,10 +47,10 @@ protected function setUp(): void {
             'wiki_id' => $this->wiki->id,
         ]);
 
-        $this->mwBackendHost = 'mediawiki.localhost';
+        $this->mwBackendHost = 'http://mediawiki.localhost';
 
         $this->mockMwHostResolver = $this->createMock(MediaWikiHostResolver::class);
-        $this->mockMwHostResolver->method('getBackendHostForDomain')->willReturn(
+        $this->mockMwHostResolver->method('getBackendUrlForDomain')->willReturn(
             $this->mwBackendHost
         );
     }
diff --git a/tests/Jobs/MediawikiInitTest.php b/tests/Jobs/MediawikiInitTest.php
index 0bd26a25b..0cc8d139a 100644
--- a/tests/Jobs/MediawikiInitTest.php
+++ b/tests/Jobs/MediawikiInitTest.php
@@ -24,10 +24,10 @@ protected function setUp(): void {
         $this->wikiDomain = 'some.domain.com';
         $this->username = 'username';
         $this->email = 'some@email.com';
-        $this->mwBackendHost = 'mediawiki.localhost';
+        $this->mwBackendHost = 'http://mediawiki.localhost';
 
         $this->mockMwHostResolver = $this->createMock(MediaWikiHostResolver::class);
-        $this->mockMwHostResolver->method('getBackendHostForDomain')->willReturn(
+        $this->mockMwHostResolver->method('getBackendUrlForDomain')->willReturn(
             $this->mwBackendHost
         );
     }
diff --git a/tests/Jobs/PlatformStatsSummaryJobTest.php b/tests/Jobs/PlatformStatsSummaryJobTest.php
index 31c0d4a29..f7284eb5b 100644
--- a/tests/Jobs/PlatformStatsSummaryJobTest.php
+++ b/tests/Jobs/PlatformStatsSummaryJobTest.php
@@ -44,10 +44,10 @@ protected function setUp(): void {
         $this->wikis = [];
         $this->users = [];
 
-        $this->mwBackendHost = 'mediawiki.localhost';
+        $this->mwBackendHost = 'http://mediawiki.localhost';
 
         $this->mockMwHostResolver = $this->createMock(MediaWikiHostResolver::class);
-        $this->mockMwHostResolver->method('getBackendHostForDomain')->willReturn(
+        $this->mockMwHostResolver->method('getBackendUrlForDomain')->willReturn(
             $this->mwBackendHost
         );
     }
diff --git a/tests/Jobs/PollForMediaWikiJobsJobTest.php b/tests/Jobs/PollForMediaWikiJobsJobTest.php
index e61d06f93..4dd7821c4 100644
--- a/tests/Jobs/PollForMediaWikiJobsJobTest.php
+++ b/tests/Jobs/PollForMediaWikiJobsJobTest.php
@@ -26,10 +26,10 @@ protected function setUp(): void {
         parent::setUp();
         $this->wiki = Wiki::factory()->create();
 
-        $this->mwBackendHost = 'mediawiki.localhost';
+        $this->mwBackendHost = 'http://mediawiki.localhost';
 
         $this->mockMwHostResolver = $this->createMock(MediaWikiHostResolver::class);
-        $this->mockMwHostResolver->method('getBackendHostForDomain')->willReturn(
+        $this->mockMwHostResolver->method('getBackendUrlForDomain')->willReturn(
             $this->mwBackendHost
         );
     }
diff --git a/tests/Jobs/SiteStatsUpdateJobTest.php b/tests/Jobs/SiteStatsUpdateJobTest.php
index 2851b4d19..77e035701 100644
--- a/tests/Jobs/SiteStatsUpdateJobTest.php
+++ b/tests/Jobs/SiteStatsUpdateJobTest.php
@@ -30,10 +30,10 @@ protected function setUp(): void {
         $this->user = User::factory()->create(['verified' => true]);
         $this->wiki = Wiki::factory()->create();
         $this->manager = WikiManager::factory()->create(['wiki_id' => $this->wiki->id, 'user_id' => $this->user->id]);
-        $this->mwBackendHost = 'mediawiki.localhost';
+        $this->mwBackendHost = 'http://mediawiki.localhost';
 
         $this->mockMwHostResolver = $this->createMock(MediaWikiHostResolver::class);
-        $this->mockMwHostResolver->method('getBackendHostForDomain')->willReturn(
+        $this->mockMwHostResolver->method('getBackendUrlForDomain')->willReturn(
             $this->mwBackendHost
         );
     }
diff --git a/tests/Jobs/UpdateWikiSiteStatsJobTest.php b/tests/Jobs/UpdateWikiSiteStatsJobTest.php
index 071cc880b..5ea246256 100644
--- a/tests/Jobs/UpdateWikiSiteStatsJobTest.php
+++ b/tests/Jobs/UpdateWikiSiteStatsJobTest.php
@@ -27,10 +27,10 @@ protected function setUp(): void {
         $this->fakeResponses = [];
         Http::preventStrayRequests();
 
-        $this->mwBackendHost = 'mediawiki.localhost';
+        $this->mwBackendHost = 'http://mediawiki.localhost';
 
         $this->mockMwHostResolver = $this->createMock(MediaWikiHostResolver::class);
-        $this->mockMwHostResolver->method('getBackendHostForDomain')->willReturn(
+        $this->mockMwHostResolver->method('getBackendUrlForDomain')->willReturn(
             $this->mwBackendHost
         );
     }
diff --git a/tests/Jobs/WikiEntityImportJobTest.php b/tests/Jobs/WikiEntityImportJobTest.php
index 15c8aa6b5..3a4bc9834 100644
--- a/tests/Jobs/WikiEntityImportJobTest.php
+++ b/tests/Jobs/WikiEntityImportJobTest.php
@@ -29,10 +29,10 @@ protected function setUp(): void {
         Wiki::query()->delete();
         WikiEntityImport::query()->delete();
 
-        $this->mwBackendHost = 'mediawiki.localhost';
+        $this->mwBackendHost = 'http://mediawiki.localhost';
 
         $this->mockMwHostResolver = $this->createMock(MediaWikiHostResolver::class);
-        $this->mockMwHostResolver->method('getBackendHostForDomain')->willReturn(
+        $this->mockMwHostResolver->method('getBackendUrlForDomain')->willReturn(
             $this->mwBackendHost
         );
     }
diff --git a/tests/Services/MediaWikiHostResolverTest.php b/tests/Services/MediaWikiHostResolverTest.php
index 77c982bc6..a7b6b3724 100644
--- a/tests/Services/MediaWikiHostResolverTest.php
+++ b/tests/Services/MediaWikiHostResolverTest.php
@@ -9,6 +9,7 @@
 use App\WikiDb;
 use Faker\Factory;
 use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Http;
 
 class MediaWikiHostResolverTest extends TestCase {
     use RefreshDatabase;
@@ -23,6 +24,16 @@ public function testResolverRoutesToCorrectHost(): void {
         );
     }
 
+    public function testResolverBuildsBackendUrl(): void {
+        $domain = (new Factory())->create()->unique()->text(30);
+        $this->createWiki($domain, 'mw1.43-wbs2');
+        $resolver = new MediaWikiHostResolver();
+        $this->assertEquals(
+            'http://mediawiki-143-app-backend.default.svc.cluster.local',
+            $resolver->getBackendUrlForDomain($domain)
+        );
+    }
+
     private function createWiki(string $domain, string $version) {
         $wiki = Wiki::factory()->create(['domain' => $domain]);
         WikiDb::create([
@@ -53,4 +64,13 @@ public function testResolverThrowsIfUnableToFindWiki(): void {
             UnknownWikiDomainException::class
         );
     }
+
+    public function testLaravelHttpAcceptsSchemeUrls(): void {
+        Http::fake(['*' => Http::response()]);
+
+        // Using Laravel Http facade (which properly respects Http::fake())
+        $response = Http::get('http://mediawiki-143-app-backend.default.svc.cluster.local/w/api.php');
+
+        $this->assertTrue($response->status() === 200);
+    }
 }