diff --git a/Dockerfile b/Dockerfile
index 5a242bb..280a281 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.22-alpine
+FROM golang:1.23-alpine@sha256:6c5c9590f169f77c8046e45c611d3b28fe477789acd8d3762d23d4744de69812
 
 WORKDIR /app