diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 963f9f92b..26c1340a1 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -120,10 +120,10 @@
               <data android:host="piefed.ca" />
               <data android:host="piefed.social" />
               <data android:host="piefed.world" />
-              <data android:host="piefed.zip" />
               <data android:host="programming.dev" />
               <data android:host="quokk.au" />
               <data android:host="reddthat.com" />
+              <data android:host="retrolemmy.com" />
               <data android:host="sh.itjust.works" />
               <data android:host="slrpnk.net" />
               <data android:host="sopuli.xyz" />
diff --git a/ios/Open In Thunder/Resources/content.js b/ios/Open In Thunder/Resources/content.js
index 7f33ac244..bbfdc9120 100644
--- a/ios/Open In Thunder/Resources/content.js	
+++ b/ios/Open In Thunder/Resources/content.js	
@@ -44,10 +44,10 @@ let instances = [
     "piefed.ca",
     "piefed.social",
     "piefed.world",
-    "piefed.zip",
     "programming.dev",
     "quokk.au",
     "reddthat.com",
+    "retrolemmy.com",
     "sh.itjust.works",
     "slrpnk.net",
     "sopuli.xyz",
diff --git a/ios/Open In Thunder/Resources/manifest.json b/ios/Open In Thunder/Resources/manifest.json
index f2119ce41..cb1244764 100644
--- a/ios/Open In Thunder/Resources/manifest.json	
+++ b/ios/Open In Thunder/Resources/manifest.json	
@@ -62,10 +62,10 @@
                 "*://piefed.ca/*",
                 "*://piefed.social/*",
                 "*://piefed.world/*",
-                "*://piefed.zip/*",
                 "*://programming.dev/*",
                 "*://quokk.au/*",
                 "*://reddthat.com/*",
+                "*://retrolemmy.com/*",
                 "*://sh.itjust.works/*",
                 "*://slrpnk.net/*",
                 "*://sopuli.xyz/*",
diff --git a/lib/src/features/instance/data/constants/known_instances.dart b/lib/src/features/instance/data/constants/known_instances.dart
index 94d101418..cc9e45ade 100644
--- a/lib/src/features/instance/data/constants/known_instances.dart
+++ b/lib/src/features/instance/data/constants/known_instances.dart
@@ -41,6 +41,7 @@ const Map<String, ThreadiversePlatform> knownInstances = {
   'pawb.social': ThreadiversePlatform.lemmy,
   'programming.dev': ThreadiversePlatform.lemmy,
   'reddthat.com': ThreadiversePlatform.lemmy,
+  'retrolemmy.com': ThreadiversePlatform.lemmy,
   'sh.itjust.works': ThreadiversePlatform.lemmy,
   'slrpnk.net': ThreadiversePlatform.lemmy,
   'sopuli.xyz': ThreadiversePlatform.lemmy,
@@ -55,6 +56,5 @@ const Map<String, ThreadiversePlatform> knownInstances = {
   'piefed.ca': ThreadiversePlatform.piefed,
   'piefed.social': ThreadiversePlatform.piefed,
   'piefed.world': ThreadiversePlatform.piefed,
-  'piefed.zip': ThreadiversePlatform.piefed,
   'quokk.au': ThreadiversePlatform.piefed,
 };