diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6bed4d9..321b014 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -66,7 +66,7 @@ jobs:
           --health-retries 10
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
+      - uses: astral-sh/setup-uv@bec219d24cd3e171d82865faccec33120bb574f4 # v10.1.0
         with:
           enable-cache: true
           cache-dependency-glob: services/petdata/uv.lock
@@ -89,7 +89,7 @@ jobs:
         working-directory: services/retriever
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
+      - uses: astral-sh/setup-uv@bec219d24cd3e171d82865faccec33120bb574f4 # v10.1.0
         with:
           enable-cache: true
           cache-dependency-glob: services/retriever/uv.lock
@@ -130,7 +130,7 @@ jobs:
         service: [petdata, retriever]
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - uses: docker/setup-buildx-action@37fe631027851001ddb9b187196cc803df7f5f0e # v4.3.0
+      - uses: docker/setup-buildx-action@594f3bf4285d9ea8dc53c9a0c9c4092420091003 # v4.4.0
       # Build the service container image from the repo-root context (matches each
       # service's wrangler `image_build_context: "../.."`). No push, no Cloudflare
       # secrets, so it also runs on fork PRs. Catches Dockerfile and dependency-
@@ -138,7 +138,7 @@ jobs:
       # that previously only surfaced at deploy time.
       - name: Build ${{ matrix.service }} image (no push)
         if: ${{ needs.changes.outputs[matrix.service] == 'true' }}
-        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
+        uses: docker/build-push-action@c3c9e263c25d99ce0380d002d59b67737d91b0dc # v7.4.0
         with:
           context: .
           file: services/${{ matrix.service }}/Dockerfile
diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index cb72eae..9ceb510 100644
--- a/.github/workflows/claude-code-review.yml
+++ b/.github/workflows/claude-code-review.yml
@@ -34,7 +34,7 @@ jobs:
 
       - name: Run Claude Code Review
         id: claude-review
-        uses: anthropics/claude-code-action@8251c103ac8c1d761882c86aba1412c7f583c844 # v1.0.213
+        uses: anthropics/claude-code-action@7b0b255830a1fab6e602658672acad11c12d841d # v1.0.226
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           # Accepted-risk (#268): the first-party Anthropic plugin marketplace is
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index 798a138..b50a82a 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -34,7 +34,7 @@ jobs:
 
       - name: Run Claude Code
         id: claude
-        uses: anthropics/claude-code-action@8251c103ac8c1d761882c86aba1412c7f583c844 # v1.0.213
+        uses: anthropics/claude-code-action@7b0b255830a1fab6e602658672acad11c12d841d # v1.0.226
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
 
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 512f43e..ed19162 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -37,12 +37,12 @@ jobs:
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@cdf488f595d80d6e07e03d4674febd5ab45fa938 # v4.37.9
+        uses: github/codeql-action/init@b96794f015dfd88f77b49b1c93e0fa7110f94c63 # v4.38.0
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@cdf488f595d80d6e07e03d4674febd5ab45fa938 # v4.37.9
+        uses: github/codeql-action/analyze@b96794f015dfd88f77b49b1c93e0fa7110f94c63 # v4.38.0
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 31c31a7..40d01b2 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -204,7 +204,7 @@ jobs:
         working-directory: services/retriever
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
+      - uses: astral-sh/setup-uv@bec219d24cd3e171d82865faccec33120bb574f4 # v10.1.0
         with:
           enable-cache: true
           cache-dependency-glob: services/retriever/uv.lock
@@ -264,7 +264,7 @@ jobs:
         working-directory: services/petdata
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
+      - uses: astral-sh/setup-uv@bec219d24cd3e171d82865faccec33120bb574f4 # v10.1.0
         with:
           enable-cache: true
           cache-dependency-glob: services/petdata/uv.lock
diff --git a/.github/workflows/mutation.yml b/.github/workflows/mutation.yml
index 505af5a..fd5a86e 100644
--- a/.github/workflows/mutation.yml
+++ b/.github/workflows/mutation.yml
@@ -31,7 +31,7 @@ jobs:
         working-directory: services/petdata
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
+      - uses: astral-sh/setup-uv@bec219d24cd3e171d82865faccec33120bb574f4 # v10.1.0
         with:
           enable-cache: true
           cache-dependency-glob: services/petdata/uv.lock
@@ -68,7 +68,7 @@ jobs:
         working-directory: services/retriever
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
+      - uses: astral-sh/setup-uv@bec219d24cd3e171d82865faccec33120bb574f4 # v10.1.0
         with:
           enable-cache: true
           cache-dependency-glob: services/retriever/uv.lock