diff --git a/backend/openapi.yml b/backend/openapi.yml
index d1aee05..7f51ae3 100644
--- a/backend/openapi.yml
+++ b/backend/openapi.yml
@@ -3,7 +3,7 @@ info:
   title: HTWKalendar API
   version: 1.0.1
 servers:
-  - url: https://cal.ekresse.de
+  - url: https://htwkalendar.de
     description: Production server
   - url: http://localhost:8090
     description: Local server
diff --git a/frontend/src/view/ImprintPage.vue b/frontend/src/view/ImprintPage.vue
index d8ff591..9d1e734 100644
--- a/frontend/src/view/ImprintPage.vue
+++ b/frontend/src/view/ImprintPage.vue
@@ -10,7 +10,7 @@
 
       <h2>Kontakt</h2>
       <p>
-        Per Email: <a href="mailto:support@ekresse.de">support@ekresse.de</a>
+        Per Email: <a href="mailto:support@htwkalender.de">support@htwkalender.de</a>
       </p>
 
       <h2>Adresse</h2>
diff --git a/frontend/src/view/PrivacyPolicy.vue b/frontend/src/view/PrivacyPolicy.vue
index 3c9b4f6..849d18f 100644
--- a/frontend/src/view/PrivacyPolicy.vue
+++ b/frontend/src/view/PrivacyPolicy.vue
@@ -55,7 +55,7 @@
         Deutschland
       </p>
       E-Mail-Adresse:
-      <p><a href="mailto:support@ekresse.de">support@ekresse.de</a></p>
+      <p><a href="mailto:support@htwkalender.de">support@htwkalender.de</a></p>
 
       <h2 id="mOverview">Übersicht der Verarbeitungen</h2>
       <p>