diff --git a/.github/workflows/pytest.yaml b/.github/workflows/pytest.yaml
index 1d1618fee..58ad365e7 100644
--- a/.github/workflows/pytest.yaml
+++ b/.github/workflows/pytest.yaml
@@ -65,10 +65,9 @@ jobs:
           ~/Library/Caches/pip
           ~/appdata/local/pip/cache
           ${{ env.R_LIBS_USER }}
-        key: ${{ matrix.os }}-gams${{ env.GAMS_VERSION }}-py${{ matrix.python-version }}-R${{ steps.setup-r.outputs.installed-r-version }}
+        key: ${{ matrix.os }}-py${{ matrix.python-version }}-R${{ steps.setup-r.outputs.installed-r-version }}
         restore-keys: |
-          ${{ matrix.os }}-gams${{ env.GAMS_VERSION }}-py${{ matrix.python-version }}-
-          ${{ matrix.os }}-gams${{ env.GAMS_VERSION }}-
+          ${{ matrix.os }}-py${{ matrix.python-version }}-
           ${{ matrix.os }}-
 
     - uses: iiasa/actions/setup-gams@main