diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e4db328..ae5735e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,19 +27,19 @@ jobs:
           components: clippy
 
       - name: Cache cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ~/.cargo/registry
           key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Cache cargo index
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ~/.cargo/git
           key: ${{ runner.os }}-cargo-git-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Cache cargo build
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: target
           key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}