diff --git a/.github/workflows/lint-fmt.yml b/.github/workflows/lint-fmt.yml
index f0299d4e..4ef49901 100644
--- a/.github/workflows/lint-fmt.yml
+++ b/.github/workflows/lint-fmt.yml
@@ -16,7 +16,7 @@ jobs:
           toolchain: stable
           components: rustfmt
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
@@ -41,7 +41,7 @@ jobs:
           components: clippy
           target: wasm32-unknown-unknown
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index adce96af..14e7df7e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -19,7 +19,7 @@ jobs:
         with:
           toolchain: ${{ matrix.rust-version }}
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
@@ -55,7 +55,7 @@ jobs:
         with:
           version: 'latest'
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
@@ -97,7 +97,7 @@ jobs:
       - name: Install wasm-pack
         run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
@@ -141,7 +141,7 @@ jobs:
           rm -rf wasmtime-v15.0.1-x86_64-linux.tar.xz wasmtime-v15.0.1-x86_64-linux
           chmod +x ~/wasmtime
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
@@ -181,7 +181,7 @@ jobs:
         with:
           version: 'latest'
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
@@ -232,7 +232,7 @@ jobs:
       - name: Install wasm-pack
         run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry