diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 02c9d7dac..cf1b0f66d 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -189,7 +189,7 @@ jobs:
         uses: actions/cache@v1
         with:
           path: ${{ github.workspace }}${{ matrix.SEP }}pyenv
-          key: ${{ runner.os }}-pyenv-${{ hashFiles('**/requirements.*') }}-${{ hashFiles('**/setup.py') }}-${{ hashFiles('**/Makefile') }}-16-
+          key: ${{ runner.os }}-pyenv-${{ hashFiles('**/requirements.*') }}-${{ hashFiles('**/setup.py') }}-${{ hashFiles('**/Makefile') }}-${{ hashFiles('**/Cargo.toml') }}-16-
 
       # # Disable it in attempt to reduce the overall cache size (https://github.com/ankitects/anki/pull/528)
       # - name: Cache pip wheels