diff --git a/content/meetups.json b/content/meetups.json
index 6632d17734b..b132b2f1b8e 100644
--- a/content/meetups.json
+++ b/content/meetups.json
@@ -89,7 +89,7 @@
   },
   {
     "name": "Einundzwanzig OWL",
-    "url": "https://t.me/joinchat/xypeWtlKm1JjN2I0",
+    "url": "https://t.me/einundzwanzig_owl",
     "top": 32,
     "left": 30,
     "country": "DE",
@@ -137,7 +137,7 @@
   },
   {
     "name": "Einundzwanzig Heinsberg",
-    "url": "https://t.me/joinchat/u4n4Im4IrSdjYTMy",
+    "url": "https://t.me/Einundzwanzig_HEINSBERG",
     "top": 40,
     "left": 9,
     "country": "DE",
@@ -273,7 +273,7 @@
   },
   {
     "name": "Einundzwanzig Karlsruhe",
-    "url": "https://t.me/+QmHNuOTtz_lmOTli",
+    "url": "https://t.me/BitcoinKarlsruhe",
     "top": 64,
     "left": 25,
     "country": "DE",