diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bc01582..1c14a3c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04, macos-14, windows-2022]
+        os: [ubuntu-24.04, macos-15, windows-latest]
         sofa_branch: [master, v24.12]
 
     steps:
@@ -46,7 +46,7 @@ jobs:
           echo "----------------------------"
           cat '${{ runner.temp }}'/_runner_file_commands/add_path*
           echo "----------------------------"
-          
+
           if [[ "$RUNNER_OS" == "Windows" ]]; then
             echo "----------------------------"
             cmd //c 'echo EIGEN3_ROOT=%EIGEN3_ROOT%'
diff --git a/action.yml b/action.yml
index 9094697..05765d5 100644
--- a/action.yml
+++ b/action.yml
@@ -421,7 +421,7 @@ runs:
             echo "sofa_version=${{ steps.get_sofa_from_github.outputs.tag_name }}" >> $GITHUB_OUTPUT
 
           else
-            ARTIFACT_OS=${RUNNER_OS,,}
+            ARTIFACT_OS=$(echo "$RUNNER_OS" | tr '[:upper:]' '[:lower:]')
             if [[ "$ARTIFACT_OS" == "linux" ]]; then
                 ARTIFACT_OS=ubuntu
             fi