diff --git a/Dockerfile b/Dockerfile
index a1d8d96b..d105ebb0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM golang:1.22 AS builder
+FROM golang:1.26@sha256:b54cbf583d390341599d7bcbc062425c081105cc5ef6d170ced98ef9d047c716 AS builder
 
 WORKDIR /workspace
 # Copy the Go Modules manifests