diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 1c645e2b..c1bf5378 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -29,7 +29,7 @@ jobs:
           ~/.cargo/registry
           ~/.cargo/git
           agb/target
-        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}-${{ steps.rust_install.outputs.rustc_hash }}
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 
     - name: install mgba-test-runner
       run: cargo install --path mgba-test-runner