diff --git a/charts/pg-autogrant/values.yaml b/charts/pg-autogrant/values.yaml
index 0dbcaac..3b6c524 100644
--- a/charts/pg-autogrant/values.yaml
+++ b/charts/pg-autogrant/values.yaml
@@ -40,7 +40,7 @@ cloudSqlProxy:
   enabled: false
   image:
     repository: gcr.io/cloud-sql-connectors/cloud-sql-proxy
-    tag: "2.21.2"
+    tag: "2.21.3"
   # Full instance connection name: project:region:instance
   instanceConnectionName: ""
   privateIp: true