diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f3e85a2..3129940 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,10 +15,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust
-        uses: actions-rs/toolchain@v1
+        uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: stable
           components: rustfmt
@@ -26,5 +26,16 @@ jobs:
       - name: Check formatting
         run: cargo fmt --all -- --check
 
+      - name: Cache cargo build
+        uses: actions/cache@v6
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-cargo-test-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-test-
+
       - name: Run tests
         run: cargo test