diff --git a/deployment/kustomization.yaml b/deployment/kustomization.yaml
index 13865be..452b19d 100644
--- a/deployment/kustomization.yaml
+++ b/deployment/kustomization.yaml
@@ -18,7 +18,7 @@ namespace: eth-physics
 images:
   - name: node
     newName: node
-    newTag: 20-slim
+    newTag: 21-slim
 
   - name: git
     newName: alpine/git