diff --git a/server/kustomization.yml b/server/kustomization.yml
index fb73693..6467717 100644
--- a/server/kustomization.yml
+++ b/server/kustomization.yml
@@ -15,7 +15,7 @@ commonLabels:
 images:
   - name: drone-server
     newName: drone/drone
-    newTag: "2.20"
+    newTag: "2.21"
 
 configMapGenerator:
   - name: drone-server