diff --git a/ct/nginxproxymanager.sh b/ct/nginxproxymanager.sh
index 1a40c20e0..8abb75738 100644
--- a/ct/nginxproxymanager.sh
+++ b/ct/nginxproxymanager.sh
@@ -11,7 +11,7 @@ var_cpu="${var_cpu:-2}"
 var_ram="${var_ram:-2048}"
 var_disk="${var_disk:-8}"
 var_os="${var_os:-debian}"
-var_version="${var_version:-13}"
+var_version="${var_version:-12}"
 var_unprivileged="${var_unprivileged:-1}"
 
 header_info "$APP"
diff --git a/ct/openproject.sh b/ct/openproject.sh
index 2b05e934b..877b2bad9 100644
--- a/ct/openproject.sh
+++ b/ct/openproject.sh
@@ -11,7 +11,7 @@ var_cpu="${var_cpu:-2}"
 var_ram="${var_ram:-4096}"
 var_disk="${var_disk:-8}"
 var_os="${var_os:-debian}"
-var_version="${var_version:-13}"
+var_version="${var_version:-12}"
 var_unprivileged="${var_unprivileged:-1}"
 
 header_info "$APP"
diff --git a/frontend/public/json/nginxproxymanager.json b/frontend/public/json/nginxproxymanager.json
index 72e760e71..72dcfca98 100644
--- a/frontend/public/json/nginxproxymanager.json
+++ b/frontend/public/json/nginxproxymanager.json
@@ -25,7 +25,7 @@
         "ram": 2048,
         "hdd": 8,
         "os": "debian",
-        "version": "13"
+        "version": "12"
       }
     }
   ],
diff --git a/frontend/public/json/openproject.json b/frontend/public/json/openproject.json
index b9d836c69..d263d92ce 100644
--- a/frontend/public/json/openproject.json
+++ b/frontend/public/json/openproject.json
@@ -23,7 +23,7 @@
         "ram": 4096,
         "hdd": 8,
         "os": "Debian",
-        "version": "13"
+        "version": "12"
       }
     }
   ],