diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index ade1dcd61234..d750f224e752 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -235,6 +235,10 @@ jobs:
         run: npm run test:unittests
         if: matrix.test-suite == 'ts-unit' && startsWith(matrix.python, 3.)
 
+      - name: Reset winsock
+        run: netsh winsock reset catalog
+        if: matrix.test-suite == 'python-unit' && matrix.os == 'windows-latest'
+
       # Run the Python tests in our codebase.
       - name: Run Python unit tests
         run: |