diff --git a/cmd/cloudstack-csi-sc-syncer/Dockerfile b/cmd/cloudstack-csi-sc-syncer/Dockerfile
index 2f26562..bf2bf28 100644
--- a/cmd/cloudstack-csi-sc-syncer/Dockerfile
+++ b/cmd/cloudstack-csi-sc-syncer/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.20
+FROM alpine:3.21
 
 LABEL \
     org.opencontainers.image.description="CloudStack disk offering to Kubernetes storage class syncer" \