diff --git a/Dockerfile b/Dockerfile
index f8244aa..79fab38 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.22-alpine3.20
+FROM golang:1.23-alpine3.20@sha256:9a31ef0803e6afdf564edc8ba4b4e17caed22a0b1ecd2c55e3c8fdd8d8f68f98
 
 SHELL ["/bin/ash", "-o", "pipefail", "-c"]