diff --git a/Dockerfile b/Dockerfile
index 83ef1af..55d7bf7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.23.2
+FROM golang:1.23.2@sha256:ad5c126b5cf501a8caef751a243bb717ec204ab1aa56dc41dc11be089fafcb4f
 
 ENV PATH=${PATH}:/root/.local/bin