diff --git a/.github/workflows/linting.yml b/.github/workflows/linting.yml
index 1a72dbc..42b6707 100644
--- a/.github/workflows/linting.yml
+++ b/.github/workflows/linting.yml
@@ -13,7 +13,7 @@ jobs:
             ~/.cargo/registry
             ~/.cargo/git
             target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-rustc-${{ matrix.rust }}-cargo-${{ hashFiles('**/Cargo.lock') }}-deplint
       - run: rm rust-toolchain.toml
       - uses: EmbarkStudios/cargo-deny-action@v1
         with:
@@ -30,7 +30,7 @@ jobs:
             ~/.cargo/registry
             ~/.cargo/git
             target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-rustc-${{ matrix.rust }}-cargo-${{ hashFiles('**/Cargo.lock') }}-lint
       - run: rm rust-toolchain.toml
       - uses: dtolnay/rust-toolchain@stable
         with:
@@ -51,7 +51,7 @@ jobs:
             ~/.cargo/registry
             ~/.cargo/git
             target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-rustc-${{ matrix.rust }}-cargo-${{ hashFiles('**/Cargo.lock') }}-fmt
       - run: rm rust-toolchain.toml
       - uses: dtolnay/rust-toolchain@stable
         with:
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 49f3799..96150cf 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -22,7 +22,7 @@ jobs:
             ~/.cargo/registry
             ~/.cargo/git
             target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-rustc-${{ matrix.rust }}-cargo-${{ hashFiles('**/Cargo.lock') }}
       - run: rm rust-toolchain.toml
       - uses: dtolnay/rust-toolchain@stable
         with: