diff --git a/.github/workflows/benchmark-main.yml b/.github/workflows/benchmark-main.yml
index bca884c2..7dc308a9 100644
--- a/.github/workflows/benchmark-main.yml
+++ b/.github/workflows/benchmark-main.yml
@@ -12,14 +12,14 @@ jobs:
       run:
         working-directory: packages/amagaki/
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Checkout benchmark repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         repository: blinkk/amagaki-benchmark
         path: packages/amagaki/benchmark
     - name: Cache node modules
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       env:
         cache-name: cache-node-modules-bm-pr
       with:
@@ -43,7 +43,7 @@ jobs:
     # Once there is a way to prevent the normal 'push' benchmark from overwriting the
     # `main` benchmark this will become the baseline benchmark for future push benchmarks.
     - name: Cached benchmark data
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ./cache
         key: ${{ runner.os }}-benchmark
diff --git a/.github/workflows/benchmark-push.yml b/.github/workflows/benchmark-push.yml
index 8148e2c3..a87c6538 100644
--- a/.github/workflows/benchmark-push.yml
+++ b/.github/workflows/benchmark-push.yml
@@ -12,14 +12,14 @@ jobs:
       run:
         working-directory: packages/amagaki/
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Checkout benchmark repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         repository: blinkk/amagaki-benchmark
         path: packages/amagaki/benchmark
     - name: Cache node modules
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       env:
         cache-name: cache-node-modules-bm-pr
       with:
@@ -42,7 +42,7 @@ jobs:
     # Once there is a way to prevent this 'push' benchmark from overwriting the
     # `main` benchmark update to prevent the cache from saving over the `main` benchmarks.
     - name: Download previous benchmark data
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ./cache
         key: ${{ runner.os }}-benchmark
diff --git a/.github/workflows/build-docs.yml b/.github/workflows/build-docs.yml
index a6393673..2aa38a9e 100644
--- a/.github/workflows/build-docs.yml
+++ b/.github/workflows/build-docs.yml
@@ -7,14 +7,14 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Checkout benchmark repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           repository: blinkk/amagaki-benchmark
           path: packages/website/amagaki-benchmark
       - name: Cache node modules
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         env:
           cache-name: cache-node-modules-workspaces
         with:
@@ -61,7 +61,7 @@ jobs:
           external-data-json-path: packages/website/benchmark/data.json
           max-items-in-chart: 100
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./packages/website/public
diff --git a/.github/workflows/build-example.yml b/.github/workflows/build-example.yml
index 8d5f131e..b85db05f 100644
--- a/.github/workflows/build-example.yml
+++ b/.github/workflows/build-example.yml
@@ -9,9 +9,9 @@ jobs:
       run:
         working-directory: packages/amagaki/
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Cache node modules
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         env:
           cache-name: cache-node-modules-workspaces
         with:
diff --git a/.github/workflows/build-website.yml b/.github/workflows/build-website.yml
index 90694849..9eb19854 100644
--- a/.github/workflows/build-website.yml
+++ b/.github/workflows/build-website.yml
@@ -6,9 +6,9 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Cache node modules
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         env:
           cache-name: cache-node-modules-workspaces
         with:
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index f9c31942..2e43adcf 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -8,7 +8,7 @@ jobs:
   release-please:
     runs-on: ubuntu-latest
     steps:
-      - uses: GoogleCloudPlatform/release-please-action@v2
+      - uses: GoogleCloudPlatform/release-please-action@v4
         id: release
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
@@ -16,9 +16,9 @@ jobs:
           monorepo-tags: true
           command: manifest
           default-branch: main
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         if: ${{ steps.release.outputs.releases_created }}
-      - uses: actions/setup-node@v2
+      - uses: actions/setup-node@v4
         with:
           node-version: 16
           registry-url: 'https://registry.npmjs.org'