diff --git a/.github/workflows/test-build-cygwin.yml b/.github/workflows/test-build-cygwin.yml
index 0909f9db68..8f70f10eb2 100644
--- a/.github/workflows/test-build-cygwin.yml
+++ b/.github/workflows/test-build-cygwin.yml
@@ -54,7 +54,7 @@ jobs:
           packages: >-
             openmpi gcc-core gcc-fortran gcc-g++ libnetcdf-devel libnetcdf-fortran-devel 
             texlive-collection-latex texlive-collection-latexextra perl make bash dash 
-            liblapack-devel
+            liblapack-devel cmake
             python39-devel python39-pip python39-numpy python39-pytest
       - name: Set Windows PATH
         uses: egor-tensin/cleanup-path@v3