diff --git a/.github/workflows/build-preview.yaml b/.github/workflows/build-preview.yaml
index ff723a1..c8350cc 100644
--- a/.github/workflows/build-preview.yaml
+++ b/.github/workflows/build-preview.yaml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Build Preview
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index c584fde..462f3e4 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -19,7 +19,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
@@ -53,7 +53,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
       - name: Setup Node
diff --git a/.github/workflows/deploy-preview.yaml b/.github/workflows/deploy-preview.yaml
index 3a1432a..a7278eb 100644
--- a/.github/workflows/deploy-preview.yaml
+++ b/.github/workflows/deploy-preview.yaml
@@ -18,7 +18,7 @@ jobs:
     name: Deploy Preview to Cloudflare Pages
     steps:
       - name: Download build artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         id: preview-build-artifact
         with:
           name: preview-build
diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index f941473..08e3f10 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -18,7 +18,7 @@ jobs:
   build:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Fetch all history for git info
       - uses: actions/setup-node@v4
@@ -29,7 +29,7 @@ jobs:
       - name: Build Quartz
         run: npx quartz build
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: public
  
diff --git a/.github/workflows/docker-build-push.yaml b/.github/workflows/docker-build-push.yaml
index ee7efa7..be1da70 100644
--- a/.github/workflows/docker-build-push.yaml
+++ b/.github/workflows/docker-build-push.yaml
@@ -21,11 +21,11 @@ jobs:
           echo "OWNER_LOWERCASE=${OWNER,,}" >> ${GITHUB_ENV}
         env:
           OWNER: "${{ github.repository_owner }}"
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 1
       - name: Inject slug/short variables
-        uses: rlespinasse/github-slug-action@v5.1.0
+        uses: rlespinasse/github-slug-action@v5.2.0
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
@@ -37,7 +37,7 @@ jobs:
             network=host
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@v3.8.2
+        uses: sigstore/cosign-installer@v3.9.2
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         if: github.event_name != 'pull_request'