diff --git a/.github/workflows/cygwin.yml b/.github/workflows/cygwin.yml
index b9ca2758..09d7c941 100644
--- a/.github/workflows/cygwin.yml
+++ b/.github/workflows/cygwin.yml
@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Cygwin
-        uses: cygwin/cygwin-install-action@v4
+        uses: cygwin/cygwin-install-action@v5
         with:
           packages: cmake libboost-devel libtool gcc-g++ binutils make