diff --git a/.github/workflows/cygwin-test.yml b/.github/workflows/cygwin-test.yml
index 2d0378490..cc9e1edf0 100644
--- a/.github/workflows/cygwin-test.yml
+++ b/.github/workflows/cygwin-test.yml
@@ -39,7 +39,7 @@ jobs:
         fetch-depth: 0
 
     - name: Install Cygwin
-      uses: cygwin/cygwin-install-action@v5
+      uses: cygwin/cygwin-install-action@v6
       with:
         packages: git python39 python-pip-wheel python-setuptools-wheel python-wheel-wheel
         add-to-path: false  # No need to change $PATH outside the Cygwin environment.