diff --git a/cmd/Dockerfile b/cmd/Dockerfile
index 6037134..87105d2 100644
--- a/cmd/Dockerfile
+++ b/cmd/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.19 AS builder
+FROM golang:1.22.0-alpine3.19@sha256:3325c5593767d8f1fd580e224707ca5e847a1679470a027aaa3c71711ce16613 AS builder
 
 ARG GOFLAGS=""
 ENV GOFLAGS=$GOFLAGS