diff --git a/.github/workflows/test-cygwin.yml b/.github/workflows/test-cygwin.yml
index 499d1f75a..aec937aa7 100644
--- a/.github/workflows/test-cygwin.yml
+++ b/.github/workflows/test-cygwin.yml
@@ -56,7 +56,7 @@ jobs:
 
       - name: Build system information
         run: |
-          dash.exe -c "python3 .github/workflows/system-info.py"
+          dash.exe -c "python3.${{ matrix.python-minor-version }} .github/workflows/system-info.py"
 
       - name: Install dependencies
         run: |
@@ -77,10 +77,10 @@ jobs:
       - name: Build
         shell: bash.exe -eo pipefail -o igncr "{0}"
         run: |
-          python3 -m coverage erase
+          python3.${{ matrix.python-minor-version }} -m coverage erase
           make clean
-          CFLAGS="-coverage -Werror=implicit-function-declaration" python3 -m pip install -v --global-option="build_ext" .
-          python3 selftest.py
+          CFLAGS="-coverage -Werror=implicit-function-declaration" python3.${{ matrix.python-minor-version }} -m pip install -v --global-option="build_ext" .
+          python3.${{ matrix.python-minor-version }} selftest.py
 
       - name: Rebase dlls
         shell: bash.exe -eo pipefail -o igncr "{0}"