diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 966f1ec0..46e968a9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name != 'schedule'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false
       - uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name != 'schedule'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false
       - uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7
@@ -60,7 +60,7 @@ jobs:
       matrix:
         python-version: ["3.12", "3.13"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false
       - uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7
@@ -76,7 +76,7 @@ jobs:
     needs: test
     if: github.event_name != 'schedule'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false
       - uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7
@@ -120,7 +120,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'schedule'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false
       - uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7
@@ -163,7 +163,7 @@ jobs:
           - name: Warpline
             marker: warpline_e2e
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false
       - uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7
diff --git a/.github/workflows/deploy-site.yml b/.github/workflows/deploy-site.yml
index 51e65f19..e4ed87b3 100644
--- a/.github/workflows/deploy-site.yml
+++ b/.github/workflows/deploy-site.yml
@@ -37,7 +37,7 @@ jobs:
         working-directory: site
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Configure Pages
         # Pin the Pages source to GitHub Actions (build_type=workflow); enables
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 11feadeb..31539a75 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,7 +12,7 @@ jobs:
     name: Build distributions
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7