diff --git a/ct/odoo.sh b/ct/odoo.sh
index 91044219050..16e82029509 100644
--- a/ct/odoo.sh
+++ b/ct/odoo.sh
@@ -11,7 +11,7 @@ var_disk="${var_disk:-6}"
 var_cpu="${var_cpu:-2}"
 var_ram="${var_ram:-2048}"
 var_os="${var_os:-debian}"
-var_version="${var_version:-13}"
+var_version="${var_version:-12}"
 var_unprivileged="${var_unprivileged:-1}"
 
 header_info "$APP"
diff --git a/ct/openwebui.sh b/ct/openwebui.sh
index c3b1b22522c..f3a8cb42a57 100644
--- a/ct/openwebui.sh
+++ b/ct/openwebui.sh
@@ -11,7 +11,7 @@ var_cpu="${var_cpu:-4}"
 var_ram="${var_ram:-8192}"
 var_disk="${var_disk:-25}"
 var_os="${var_os:-debian}"
-var_version="${var_version:-13}"
+var_version="${var_version:-12}"
 var_unprivileged="${var_unprivileged:-1}"
 
 header_info "$APP"
diff --git a/ct/tautulli.sh b/ct/tautulli.sh
index eaca40bdbf3..28670f60334 100644
--- a/ct/tautulli.sh
+++ b/ct/tautulli.sh
@@ -11,7 +11,7 @@ var_cpu="${var_cpu:-2}"
 var_ram="${var_ram:-1024}"
 var_disk="${var_disk:-4}"
 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/odoo.json b/frontend/public/json/odoo.json
index 77dfe82d79a..40552eaa186 100644
--- a/frontend/public/json/odoo.json
+++ b/frontend/public/json/odoo.json
@@ -23,7 +23,7 @@
         "ram": 2048,
         "hdd": 6,
         "os": "debian",
-        "version": "13"
+        "version": "12"
       }
     }
   ],
diff --git a/frontend/public/json/openwebui.json b/frontend/public/json/openwebui.json
index e9f9e6896a9..cc1ccd1a946 100644
--- a/frontend/public/json/openwebui.json
+++ b/frontend/public/json/openwebui.json
@@ -23,7 +23,7 @@
         "ram": 8192,
         "hdd": 25,
         "os": "debian",
-        "version": "13"
+        "version": "12"
       }
     }
   ],
diff --git a/frontend/public/json/tautulli.json b/frontend/public/json/tautulli.json
index 8648662cb6c..b409b0f972d 100644
--- a/frontend/public/json/tautulli.json
+++ b/frontend/public/json/tautulli.json
@@ -23,7 +23,7 @@
         "ram": 1024,
         "hdd": 4,
         "os": "debian",
-        "version": "13"
+        "version": "12"
       }
     }
   ],