diff --git a/.github/workflows/github-action-build.yml b/.github/workflows/github-action-build.yml
index c2196b84e61..5d80dbbdd1d 100644
--- a/.github/workflows/github-action-build.yml
+++ b/.github/workflows/github-action-build.yml
@@ -98,18 +98,19 @@ jobs:
         run: cd core && sbt clean package
       - name: Run backend tests
         run: cd core && sbt test
-
+  
   python_udf:
+    needs: detect_changes
+    if: ${{ needs.detect_changes.outputs.python_changed == 'true' }}
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os:
           - ubuntu-latest
-        python-version: [ '3.9', '3.10', '3.11', '3.12' ]
+        python-version: ['3.9', '3.10', '3.11', '3.12']
 
     steps:
-      - name: Checkout Texera
-        uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up R for R-UDF
         uses: r-lib/actions/setup-r@v2
         with:
@@ -141,4 +142,4 @@ jobs:
           cd core/amber/src/main/python && flake8 && black . --check
       - name: Test with pytest
         run: |
-          cd core/amber/src/main/python && pytest -sv
\ No newline at end of file
+          cd core/amber/src/main/python && pytest -sv