diff --git a/.github/workflows/Build.yml b/.github/workflows/Build.yml
index bbc0a28f..ee2ce336 100644
--- a/.github/workflows/Build.yml
+++ b/.github/workflows/Build.yml
@@ -43,4 +43,13 @@ jobs:
         path: ${{ env.PACLET_BUILD_DIR }}
     
     - name: Test
-      run: wolframscript -f Scripts/TestPaclet.wls
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+      run: wolframscript -f Scripts/TestPaclet.wls
+
+    - name: Upload stack data
+      if: always() && env.PACLET_STACK_HISTORY
+      uses: actions/upload-artifact@v3
+      with:
+        name: test-paclet-stacks-${{ env.WOLFRAM_SYSTEM_ID }}
+        path: ${{ env.PACLET_STACK_HISTORY }}
+        retention-days: 1
+        if-no-files-found: error
\ No newline at end of file