diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 4ee80e6..147d0ab 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -16,7 +16,7 @@ jobs:
           - 1.73
 
     container:
-      image: "ghcr.io/vadosware/pg_idkit/builder:0.1.x"
+      image: "ghcr.io/vadosware/pg_idkit/builder:0.1.x@sha256:f74416842bcc03b8d7d5b9078159a51b67280e252de96fd74ee1628759a9e35a"
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.DOCKER_BUILDER_IMAGE_PULL_PAT }}