diff --git a/compose.yml b/compose.yml
index a6e2d9d..4c60659 100644
--- a/compose.yml
+++ b/compose.yml
@@ -3,7 +3,7 @@ version: "3.8"
 
 services:
   app:
-    image: benoitpodwinski/phpservermon
+    image: benoitpodwinski/phpservermon:3.4.5
     environment:
       - PSM_BASE_URL=https://${DOMAIN}
       - PSM_DB_HOST=db