diff --git a/.forgejo/workflows/test_workflow.yml b/.forgejo/workflows/test_workflow.yml
index b1f93c5..2cb7c60 100644
--- a/.forgejo/workflows/test_workflow.yml
+++ b/.forgejo/workflows/test_workflow.yml
@@ -6,7 +6,7 @@ jobs:
     container:
       image: git.hswro.org/fleg/actions-experiments:latest
     steps:
-      - uses: https://codeberg.org/fleg/light-actions/checkout@test12
+      - uses: https://codeberg.org/fleg/light-actions/checkout@test13
       - run: cat README.md
   upload-artifact:
     runs-on: docker
@@ -14,7 +14,7 @@ jobs:
       image: git.hswro.org/fleg/actions-experiments:latest
     steps:
       - run: echo "test passed" > test.txt
-      - uses: https://codeberg.org/fleg/light-actions/upload-artifact@test12
+      - uses: https://codeberg.org/fleg/light-actions/upload-artifact@test13
         with:
           path: test.txt
           artifact-name: test-artifact
diff --git a/upload-artifact/action.yml b/upload-artifact/action.yml
index 8ff81e4..24c4d82 100644
--- a/upload-artifact/action.yml
+++ b/upload-artifact/action.yml
@@ -15,6 +15,7 @@ runs:
         ARTIFACT_BASE="${ACTIONS_RUNTIME_URL}_apis/pipelines/workflows/${GITHUB_RUN_ID}/artifacts?api-version=6.0-preview"
         FILE_SIZE_BYTES=$(wc -c < ${{ inputs.path }})
         FILE_SIZE_BYTES_MINUS_ONE=$(echo $FILE_SIZE_BYTES - 1 | bc)
+        FILE_MD5=$(md5sum ${{ inputs.path }} | cut -f1 -d" ")
         RESOURCE_URL="$(
           curl \
             -XPOST \
@@ -36,7 +37,7 @@ runs:
           --header 'Content-Type: application/octet-stream' \
           --header "x-tfs-filelength: ${FILE_SIZE_BYTES}" \
           --header "content-length: ${FILE_SIZE_BYTES}" \
-          --header "x-actions-results-md5: $(md5sum ${{ inputs.path }})" \
+          --header "x-actions-results-md5: ${FILE_MD5}" \
           --header "Content-Range: bytes 0-${FILE_SIZE_BYTES_MINUS_ONE}/${FILE_SIZE_BYTES}" \
           --data-binary "@${{ inputs.path }}" \
           "${RESOURCE_URL}?itemPath=${{ inputs.artifact-name }}/$(basename ${{ inputs.path }})"