diff --git a/.github/workflows/chromatic.yml b/.github/workflows/chromatic.yml
index f5487a9a..064ed61e 100644
--- a/.github/workflows/chromatic.yml
+++ b/.github/workflows/chromatic.yml
@@ -83,7 +83,7 @@ jobs:
         working-directory: lib
 
       - name: Run Chromatic
-        uses: chromaui/action@2a0b63f30233c48591844a46d451b9cf68128186 # v18.7.2
+        uses: chromaui/action@259eda5f0e44c0c1eab38b672f1c4c967cc969b7 # v18.8.1
         with:
           projectToken: ${{ secrets.CHROMATIC_PROJECT_TOKEN }}
           workingDir: lib
diff --git a/.github/workflows/security-audit.yaml b/.github/workflows/security-audit.yaml
index 19c5f659..d24f848f 100644
--- a/.github/workflows/security-audit.yaml
+++ b/.github/workflows/security-audit.yaml
@@ -77,7 +77,7 @@ jobs:
           exit 1
 
       - name: Audit against the security specs
-        uses: anthropics/claude-code-action@9c5ddab2e6d17b83ea679153b31f1d5f023cf636 # v1
+        uses: anthropics/claude-code-action@9cdae7f0d995e3ba7c33f226087fdf82a59cd520 # v1
         env:
           # `claude-code-action` resets `GH_TOKEN` to its own internal
           # workflow token, so setting `GH_TOKEN` at this scope is
diff --git a/.github/workflows/tend-mention.yaml b/.github/workflows/tend-mention.yaml
index 5c0506af..d9d80ac7 100644
--- a/.github/workflows/tend-mention.yaml
+++ b/.github/workflows/tend-mention.yaml
@@ -251,10 +251,10 @@ jobs:
             warn "::notice title=Tend disabled::The tend config sets enabled: false; skipping this job"
           end
           RUBY
-      - uses: astral-sh/setup-uv@v10.0.1
+      - uses: astral-sh/setup-uv@v10.1.0
         if: steps.tend_enabled.outputs.enabled == 'true'
         with:
-          version: "0.12.10"
+          version: "0.12.13"
           ignore-empty-workdir: true
       - name: Verify bot engagement
         id: check
diff --git a/.github/workflows/tend-notifications.yaml b/.github/workflows/tend-notifications.yaml
index e0b877f6..190b9ef9 100644
--- a/.github/workflows/tend-notifications.yaml
+++ b/.github/workflows/tend-notifications.yaml
@@ -95,10 +95,10 @@ jobs:
             warn "::notice title=Tend disabled::The tend config sets enabled: false; skipping this job"
           end
           RUBY
-      - uses: astral-sh/setup-uv@v10.0.1
+      - uses: astral-sh/setup-uv@v10.1.0
         if: steps.tend_enabled.outputs.enabled == 'true'
         with:
-          version: "0.12.10"
+          version: "0.12.13"
           ignore-empty-workdir: true
       - name: Check for unread notifications and conflicted PRs
         id: check
diff --git a/.github/workflows/workflow-audit.yaml b/.github/workflows/workflow-audit.yaml
index d7835661..13f31906 100644
--- a/.github/workflows/workflow-audit.yaml
+++ b/.github/workflows/workflow-audit.yaml
@@ -68,7 +68,7 @@ jobs:
         run: git fetch origin '+refs/heads/*:refs/remotes/origin/*'
 
       - name: Install uv
-        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
+        uses: astral-sh/setup-uv@bec219d24cd3e171d82865faccec33120bb574f4 # v10.1.0
 
       - name: Audit workflow file changes
         env: