diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 5f63850..90b2d35 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -46,7 +46,9 @@ jobs:
         name: Cache ~/.stack
         with:
           path: ~/.stack
-          key: ${{ runner.os }}-${{ matrix.ghc }}-stack
+          key: ${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles('*.cabal') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ matrix.ghc }}-
 
       - name: Build
         run: |