diff --git a/.buildkite/release.yml b/.buildkite/release.yml
index a063ceb7..8dab4ce8 100644
--- a/.buildkite/release.yml
+++ b/.buildkite/release.yml
@@ -1,7 +1,7 @@
 steps:
   - label: Release
     agents:
-      image: golang:1.23.1
+      image: "golang:1.23.1@sha256:2fe82a3f3e006b4f2a316c6a21f62b66e1330ae211d039bb8d1128e12ed57bf1"
       cpu: "8"
       memory: "8G"
     command: