diff --git a/clusters/cl01tl/helm/roundcube/values.yaml b/clusters/cl01tl/helm/roundcube/values.yaml
index 678ceb552..4c7b2a68d 100644
--- a/clusters/cl01tl/helm/roundcube/values.yaml
+++ b/clusters/cl01tl/helm/roundcube/values.yaml
@@ -58,7 +58,7 @@ roundcube:
         nginx:
           image:
             repository: nginx
-            tag: 1.29.5-alpine
+            tag: 1.29.5-alpine-slim
             pullPolicy: IfNotPresent
           env:
             - name: NGINX_HOST