diff --git a/client/angular.json b/client/angular.json
index dfffeed..85fc0c3 100644
--- a/client/angular.json
+++ b/client/angular.json
@@ -30,7 +30,7 @@
             "server": "src/main.server.ts",
             "outputMode": "server",
             "security": {
-              "allowedHosts": ["localhost", ".app.github.dev"]
+              "allowedHosts": ["localhost", "*.app.github.dev"]
             },
             "ssr": {
               "entry": "server.ts"
@@ -68,6 +68,9 @@
         },
         "serve": {
           "builder": "@angular/build:dev-server",
+          "options": {
+            "allowedHosts": ["*.app.github.dev"]
+          },
           "configurations": {
             "production": {
               "buildTarget": "client:build:production"