diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 78973a4..0300b3c 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/devcontainers/base:noble
+FROM mcr.microsoft.com/devcontainers/base:noble@sha256:d7c468679f45a52ad3673d06656b5bf16e488990b17216a1fa295d9e1f89d724
 
 RUN export DEBIAN_FRONTEND=noninteractive && \
     apt-get update && \
diff --git a/action.yaml b/action.yaml
index 529de97..b8d0831 100644
--- a/action.yaml
+++ b/action.yaml
@@ -318,7 +318,7 @@ runs:
         fi
     - name: Upload artifacts
       if: ${{ inputs.action == 'spawn' && always() }}
-      uses: scality/action-artifacts@v4
+      uses: scality/action-artifacts@b311c0a0d8017683148906bd3fbe0e681b115608 # v4
       with:
         method: upload
         url: https://artifacts.scality.net