diff --git a/services/ldap-toolbox/Dockerfile b/services/ldap-toolbox/Dockerfile
index 22070040..207517d4 100644
--- a/services/ldap-toolbox/Dockerfile
+++ b/services/ldap-toolbox/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 
 ARG DEBIAN_FRONTEND=noninteractive