diff --git a/Dockerfile b/Dockerfile
index fa2a7485..276af57d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@
 # limitations under the License.
 ARG BASEIMAGE
 
-FROM golang:1.21.3-bookworm@sha256:20f9ab52a8c3598ef13f86c9bc3b94db400e13df115ecacd8c3dfd0c0f060208 as builder
+FROM golang:1.21.6-bookworm@sha256:3efef61ff1d99c8a90845100e2a7e934b4a5d11b639075dc605ff53c141044fc as builder
 LABEL maintainer="Andy Xie <andy.xning@gmail.com>"
 
 ARG TARGETARCH