diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0f7d7b3134..6991a6f310 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -22,7 +22,7 @@ jobs:
       - uses: actions/cache@v3
         with:
           path: mingw_prefix/
-          key: "${{ matrix.target }}-6"
+          key: "${{ matrix.target }}-7"
 
       - name: Install dependencies
         run: |