diff --git a/.github/workflows/agent.yml b/.github/workflows/agent.yml
index c9685dee0..f432ada78 100644
--- a/.github/workflows/agent.yml
+++ b/.github/workflows/agent.yml
@@ -30,7 +30,7 @@ jobs:
             --remove-label agent:ready \
             --add-label agent:running
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       # Sibling path-dep workspaces — mirrors ci.yml so the agent can build.
       - name: Clone sibling repos
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 54240971e..38b6101f9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
       matrix:
         toolchain: [stable, nightly]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Clone sibling repos
         run: |
           git clone --depth 1 https://github.com/ecto/tang.git ../tang
@@ -71,7 +71,7 @@ jobs:
     name: WASM build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Clone sibling repos
         run: |
           git clone --depth 1 https://github.com/ecto/tang.git ../tang
@@ -173,7 +173,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: wasm
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: 22
@@ -233,7 +233,7 @@ jobs:
     name: cargo audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Clone sibling repos
         run: |
           git clone --depth 1 https://github.com/ecto/tang.git ../tang
@@ -253,7 +253,7 @@ jobs:
     name: npm audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: 22
diff --git a/.github/workflows/desktop-release.yml b/.github/workflows/desktop-release.yml
index 9f7c9e122..2571d7dba 100644
--- a/.github/workflows/desktop-release.yml
+++ b/.github/workflows/desktop-release.yml
@@ -39,7 +39,7 @@ jobs:
     outputs:
       body: ${{ steps.gen.outputs.body }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           # Enough history for release-notes.mjs to pull recent commit
           # subjects as flavor for the humanized summary.
@@ -82,7 +82,7 @@ jobs:
     runs-on: ubuntu-22.04
     if: startsWith(github.ref, 'refs/tags/')
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       # Same sibling-repo clones as `build`; `cargo publish` runs the in-tree
       # verify pass which compiles the crate, and that resolves path deps on
@@ -145,7 +145,7 @@ jobs:
             tauri-args: ''
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       # Path-dep sibling workspaces (mirrors ci.yml / agent.yml).
       - name: Clone sibling repos
diff --git a/.github/workflows/fix-ci.yml b/.github/workflows/fix-ci.yml
index b262473b2..229fc5e0c 100644
--- a/.github/workflows/fix-ci.yml
+++ b/.github/workflows/fix-ci.yml
@@ -87,7 +87,7 @@ jobs:
 
       - name: Checkout PR branch
         if: steps.pr.outputs.skip != 'true'
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           ref: ${{ steps.pr.outputs.pr_branch }}
           fetch-depth: 0
diff --git a/.github/workflows/mention.yml b/.github/workflows/mention.yml
index 2bb9fadeb..be7ae5bf0 100644
--- a/.github/workflows/mention.yml
+++ b/.github/workflows/mention.yml
@@ -38,7 +38,7 @@ jobs:
       github.event.comment.user.type != 'Bot'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Snapshot comment + thread context
         # Route untrusted user text (comment body, issue title/body)
diff --git a/.github/workflows/supabase.yml b/.github/workflows/supabase.yml
index 3868c6694..daa9821fd 100644
--- a/.github/workflows/supabase.yml
+++ b/.github/workflows/supabase.yml
@@ -31,7 +31,7 @@ jobs:
     if: github.event_name == 'pull_request'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: supabase/setup-cli@v2
         with:
           version: latest
@@ -62,7 +62,7 @@ jobs:
       SUPABASE_DB_PASSWORD: ${{ secrets.SUPABASE_DB_PASSWORD }}
       SUPABASE_PROJECT_ID: ${{ secrets.SUPABASE_PROJECT_ID }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: supabase/setup-cli@v2
         with:
           version: latest