diff --git a/docker-compose.yml b/docker-compose.yml
index a24e3be..30c31b9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.1'
 
 services:
   checkmk:
-    image: checkmk/check-mk-free:2.0.0p18 # local image
+    image: checkmk/check-mk-free:2.0.0p20 # local image
     tmpfs:
      - /opt/omd/sites/realm/tmp:uid=1000,gid=1000
     ulimits: