diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index a942ef75..770d67e5 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -24,10 +24,10 @@ jobs:
         platform: ['linux/amd64', 'linux/arm64']
     steps:
       - name: Check out repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4.0.0
+        uses: docker/setup-qemu-action@06116385d9baf250c9f4dcb4858b16962ea869c3 # v4.1.0
         # Workaround for a memory allocation layout bug in QEMU,
         # triggered by a kernel update to Linux machine images.
         # Note that this is not an actual fix.
diff --git a/.github/workflows/dockerfile-lint.yml b/.github/workflows/dockerfile-lint.yml
index bcd4bcd9..6f33c4b8 100644
--- a/.github/workflows/dockerfile-lint.yml
+++ b/.github/workflows/dockerfile-lint.yml
@@ -13,7 +13,7 @@ jobs:
   test_docker:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: hadolint/hadolint-action@2332a7b74a6de0dda2e2221d575162eba76ba5e5 # v3.3.0
         with:
           dockerfile: 'docker/*Dockerfile'
diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index dc937ecf..cc680a9a 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -21,7 +21,7 @@ jobs:
           sudo apt-get install -y libbz2-dev
 
       - name: Check out repository code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Clone pyenv
         run: git clone https://github.com/pyenv/pyenv.git ~/.pyenv
@@ -36,10 +36,10 @@ jobs:
         working-directory: docs
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Setup Ruby
-        uses: ruby/setup-ruby@afeafc3d1ab54a631816aba4c914a0081c12ff2f # v1
+        uses: ruby/setup-ruby@0dafeac902942906541bc140009cdbf32665b601 # v1
         with:
           ruby-version: "3.3"
           bundler-cache: true