diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c484891..ccbcbb1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
 
       # Cache dependencies to speed up subsequent builds
       - name: Cache Cargo dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.cargo
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
@@ -35,4 +35,4 @@ jobs:
 
       # Run static analysis with clippy
       - name: Run clippy
-        run: cargo clippy --all -- -D warnings
\ No newline at end of file
+        run: cargo clippy --all -- -D warnings