diff --git a/server/apps/api/src/utils/origin.ts b/server/apps/api/src/utils/origin.ts
index e5d088f3c..12891c5b6 100644
--- a/server/apps/api/src/utils/origin.ts
+++ b/server/apps/api/src/utils/origin.ts
@@ -27,7 +27,7 @@ const TRUSTED_ORIGIN_PATTERNS = [
   /^https:\/\/localhost(:\d+)?$/,
   /^https:\/\/127\.0\.0\.1(:\d+)?$/,
   // Cloudflare Workers subdomains
-  /^https:\/\/.*\.kwaa\.workers\.dev$/,
+  /^https:\/\/.*\.moeru-ai\.workers\.dev$/,
 ]
 
 /**
diff --git a/server/apps/auth/src/origin.ts b/server/apps/auth/src/origin.ts
index 36ee82f31..b060247b6 100644
--- a/server/apps/auth/src/origin.ts
+++ b/server/apps/auth/src/origin.ts
@@ -38,7 +38,7 @@ const TRUSTED_ORIGIN_PATTERNS = [
   /^https:\/\/localhost(:\d+)?$/,
   /^https:\/\/127\.0\.0\.1(:\d+)?$/,
   // Cloudflare Workers subdomains
-  /^https:\/\/.*\.kwaa\.workers\.dev$/,
+  /^https:\/\/.*\.moeru-ai\.workers\.dev$/,
 ]
 
 /**
diff --git a/server/apps/auth/src/tests/auth.test.ts b/server/apps/auth/src/tests/auth.test.ts
index fd04303c7..4caa4e5f9 100644
--- a/server/apps/auth/src/tests/auth.test.ts
+++ b/server/apps/auth/src/tests/auth.test.ts
@@ -401,14 +401,14 @@ describe('ensureDynamicFirstPartyRedirectUri', () => {
 
     await ensureDynamicFirstPartyRedirectUri(
       db as any,
-      new Request('https://api.airi.build/api/auth/oauth2/authorize?client_id=airi-stage-web&redirect_uri=https%3A%2F%2Fpreview.kwaa.workers.dev%2Fauth%2Fcallback'),
+      new Request('https://api.airi.build/api/auth/oauth2/authorize?client_id=airi-stage-web&redirect_uri=https%3A%2F%2Fpreview.moeru-ai.workers.dev%2Fauth%2Fcallback'),
       [],
     )
 
     expect(setCalls).toHaveLength(1)
     expect(setCalls[0].redirectUris).toEqual([
       'https://airi.moeru.ai/auth/callback',
-      'https://preview.kwaa.workers.dev/auth/callback',
+      'https://preview.moeru-ai.workers.dev/auth/callback',
     ])
     expect(updateWhere).toHaveBeenCalledTimes(1)
   })