diff --git a/.github/workflows/spack_cpu_build.yaml b/.github/workflows/spack_cpu_build.yaml
index 2a12ed55..54cfc18d 100644
--- a/.github/workflows/spack_cpu_build.yaml
+++ b/.github/workflows/spack_cpu_build.yaml
@@ -35,7 +35,7 @@ jobs:
     steps:
       # No GHCR base image with skopeo, so this will do...
       - name: "Set up skopeo"
-        uses: warjiang/setup-skopeo@latest
+        uses: warjiang/setup-skopeo@v0.1.3
         with:
           version: latest