diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dc4f2bd..34f9ac9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,7 +39,7 @@ jobs:
           toolchain: ${{ matrix.rust }}
 
       - name: Cache cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry
@@ -81,7 +81,7 @@ jobs:
           components: clippy
 
       - name: Cache cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry
@@ -103,7 +103,7 @@ jobs:
         uses: dtolnay/rust-toolchain@nightly
 
       - name: Cache cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index d369273..86557aa 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -34,7 +34,7 @@ jobs:
         run: cargo install cargo-tarpaulin
 
       - name: Cache cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b88747a..a24a82a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -30,7 +30,7 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
 
       - name: Cache cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry
@@ -70,7 +70,7 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
 
       - name: Cache cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index a251513..ceb9ef5 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -49,7 +49,7 @@ jobs:
       - uses: actions/checkout@master
       - name: Install Rust
         run: rustup update stable && rustup default stable
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: ${{ runner.tool_cache }}/cargo-vet
           key: cargo-vet-bin-${{ env.CARGO_VET_VERSION }}