diff --git a/Dockerfile b/Dockerfile
index 86ecb95..4302d25 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # Originally modified from the main Cloud Run documentation
 
-FROM golang:1.22.6-bookworm@sha256:f020456572fc292e9627b3fb435c6de5dfb8020fbcef1fd7b65dd092c0ac56bb AS builder
+FROM golang:1.22.6-bookworm@sha256:d31e093e3aeaee68ccee6c4c96e554ef0f192ea37ae684d91b206bec17377f19 AS builder
 
 # Create and change to the app directory.
 WORKDIR /app