diff --git a/.github/workflows/cmake_build.yml b/.github/workflows/cmake_build.yml
index 8a93a9375..9a9431de9 100644
--- a/.github/workflows/cmake_build.yml
+++ b/.github/workflows/cmake_build.yml
@@ -101,7 +101,7 @@ jobs:
       uses: actions/cache@v1
       with:
         # Increment the number at the end to force recreation of the cache
-        key: ${{ env.WXHASH }}.8
+        key: ${{ env.WXHASH }}.1
         path: ${{ env.WXWIN }}
 
     # =========================================================================