diff --git a/Dockerfile b/Dockerfile
index 4044b3d..08df631 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # build environment ###########################################
-FROM golang:1.20.7-alpine@sha256:7efb78dac256c450d194e556e96f80936528335033a26d703ec8146cec8c2090 AS build-env
+FROM golang:1.20.7-alpine@sha256:9d0cef5db27ca8a1ffcb442b3947c491a2999c7c677ffb3f2d7a47bfb45b2c1d AS build-env
 
 WORKDIR /app