diff --git a/.github/workflows/github-pages.yml b/.github/workflows/github-pages.yml
index 0fb37ebd..820a334c 100644
--- a/.github/workflows/github-pages.yml
+++ b/.github/workflows/github-pages.yml
@@ -16,16 +16,16 @@ jobs:
     runs-on: ubuntu-latest
     concurrency: github-pages
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v5
         with:
           path: ./www/vendor/bundle
           key: ${{ runner.os }}-gems-${{ hashFiles('./www/Gemfile.lock') }}
           restore-keys: |
             ${{ runner.os }}-gems-
 
-      - uses: actions/setup-java@v3
+      - uses: actions/setup-java@v5
         with:
           distribution: 'adopt'
           java-version: '21'
diff --git a/.github/workflows/test-publish.yml b/.github/workflows/test-publish.yml
index fe3d95c3..a6a08b90 100644
--- a/.github/workflows/test-publish.yml
+++ b/.github/workflows/test-publish.yml
@@ -14,9 +14,9 @@ jobs:
       matrix:
         java: [ '21', '25' ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
-      - uses: actions/setup-java@v3
+      - uses: actions/setup-java@v5
         with:
           distribution: 'adopt'
           java-version: ${{ matrix.java }}
@@ -30,9 +30,9 @@ jobs:
     name: Check formatting
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
-      - uses: actions/setup-java@v3
+      - uses: actions/setup-java@v5
         with:
           distribution: 'adopt'
           java-version: '21'
@@ -47,9 +47,9 @@ jobs:
     runs-on: ubuntu-latest
     concurrency: publish-handout
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
-      - uses: actions/setup-java@v3
+      - uses: actions/setup-java@v5
         with:
           distribution: 'adopt'
           java-version: '21'