diff --git a/.github/workflows/development.yml b/.github/workflows/development.yml
index a051a28..685dc34 100644
--- a/.github/workflows/development.yml
+++ b/.github/workflows/development.yml
@@ -15,15 +15,12 @@ on:
     # Hourly rebuild of dev images
     - cron: "45 4 * * *" # At 04:45 every day
 
-  pull_request:
-
   push:
     branches:
       - main
 
+
 concurrency:
-  # Only cancel in-progress runs for pull_request events, this prevents cancelling workflows against main or tags
-  # A pull_request will reuse the same group thus enabling cancelation, all others receive a unique run_id
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.run_id }}
   cancel-in-progress: true
 
@@ -37,12 +34,13 @@ jobs:
     if: always()
 
     runs-on: ubuntu-latest
+    permissions: {}
     timeout-minutes: 10
     needs:
       - dev
 
     steps:
-      - uses: re-actors/alls-green@release/v1
+      - uses: re-actors/alls-green@05ac9388f0aebcb5727afa17fcccfecd6f8ec5fe  # v1.2.2
         id: alls-green
         with:
           jobs: ${{ toJSON(needs) }}
diff --git a/.github/workflows/issues.yml b/.github/workflows/issues.yml
index 25bd6c0..338dc2c 100644
--- a/.github/workflows/issues.yml
+++ b/.github/workflows/issues.yml
@@ -4,29 +4,32 @@ on:
     types:
       - opened
 
+permissions: {}
+
 jobs:
   issue:
     # only run in posit-dev/images-workbench.
     if: github.repository == 'posit-dev/images-workbench'
     runs-on: ubuntu-latest
+    permissions: {}
     steps:
 
       - name: GitHub App Token
-        uses: actions/create-github-app-token@v3
+        uses: actions/create-github-app-token@f8d387b68d61c58ab83c6c016672934102569859  # v3.0.0
         id: app-token
         with:
           app-id: ${{ secrets.WORKBENCH_IDE_RELEASE_APP_ID }}
           private-key: ${{ secrets.WORKBENCH_IDE_RELEASE_PEM }}
 
       - name: Add to Platform Carbon Project
-        uses: actions/add-to-project@v1.0.2
+        uses: actions/add-to-project@244f685bbc3b7adfa8466e08b698b5577571133e  # v1.0.2
         with:
           github-token: ${{ steps.app-token.outputs.token }}
           project-url: https://github.com/orgs/posit-dev/projects/17
 
       - name: Add Default Labels
-        uses: actions-ecosystem/action-add-labels@v1
-        with:
-          github_token: ${{ steps.app-token.outputs.token }}
-          labels: |
-            docker
+        env:
+          GH_TOKEN: ${{ steps.app-token.outputs.token }}
+          GH_REPO: ${{ github.repository }}
+          ISSUE_NUMBER: ${{ github.event.issue.number }}
+        run: gh issue edit "$ISSUE_NUMBER" --add-label "docker"
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
new file mode 100644
index 0000000..386dc39
--- /dev/null
+++ b/.github/workflows/pr.yml
@@ -0,0 +1,66 @@
+name: Pull Request
+on:
+  pull_request:
+
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  ci:
+    name: CI
+    if: always()
+    runs-on: ubuntu-latest
+    permissions: {}
+    timeout-minutes: 10
+    needs:
+      - production
+      - development
+      - session
+      - zizmor
+    steps:
+      - uses: re-actors/alls-green@05ac9388f0aebcb5727afa17fcccfecd6f8ec5fe  # v1.2.2
+        with:
+          jobs: ${{ toJSON(needs) }}
+
+  production:
+    name: Production
+    permissions:
+      contents: read
+      packages: write
+    uses: posit-dev/images-shared/.github/workflows/bakery-build-pr.yml@main
+    with:
+      dev-versions: "exclude"
+      matrix-versions: "exclude"
+
+  development:
+    name: Development
+    permissions:
+      contents: read
+      packages: write
+    uses: posit-dev/images-shared/.github/workflows/bakery-build-pr.yml@main
+    with:
+      dev-versions: "only"
+      matrix-versions: "exclude"
+
+  session:
+    name: Session
+    permissions:
+      contents: read
+      packages: write
+    uses: posit-dev/images-shared/.github/workflows/bakery-build-pr.yml@main
+    with:
+      matrix-versions: "only"
+
+  zizmor:
+    name: Zizmor
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      security-events: write
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
+        with:
+          persist-credentials: false
+      - uses: zizmorcore/zizmor-action@71321a20a9ded102f6e9ce5718a2fcec2c4f70d8  # v0.5.2
diff --git a/.github/workflows/production.yml b/.github/workflows/production.yml
index dc4abbe..a7f8fb7 100644
--- a/.github/workflows/production.yml
+++ b/.github/workflows/production.yml
@@ -6,15 +6,12 @@ on:
     # Weekly rebuild of all images, to pick up any upstream changes.
     - cron: "15 3 * * 0" # At 03:15 on Sunday
 
-  pull_request:
-
   push:
     branches:
       - main
 
+
 concurrency:
-  # Only cancel in-progress runs for pull_request events, this prevents cancelling workflows against main or tags
-  # A pull_request will reuse the same group thus enabling cancelation, all others receive a unique run_id
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.run_id }}
   cancel-in-progress: true
 
@@ -28,13 +25,14 @@ jobs:
     if: always()
 
     runs-on: ubuntu-latest
+    permissions: {}
     timeout-minutes: 10
     needs:
       - lint
       - build
 
     steps:
-      - uses: re-actors/alls-green@release/v1
+      - uses: re-actors/alls-green@05ac9388f0aebcb5727afa17fcccfecd6f8ec5fe  # v1.2.2
         id: alls-green
         with:
           jobs: ${{ toJSON(needs) }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7a22baa..0f6b82e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -7,8 +7,14 @@ on:
         required: true
         type: string
 
+
 jobs:
   release:
+    if: github.event_name == 'workflow_dispatch'
+    timeout-minutes: 10
+    permissions:
+      contents: write
+      pull-requests: write
     uses: posit-dev/images-shared/.github/workflows/product-release.yml@main
     with:
       version: ${{ inputs.version }}
diff --git a/.github/workflows/session.yml b/.github/workflows/session.yml
index 2295b7e..e2a0962 100644
--- a/.github/workflows/session.yml
+++ b/.github/workflows/session.yml
@@ -6,15 +6,12 @@ on:
     # Weekly rebuild of all images, to pick up any upstream changes.
     - cron: "15 4 * * 0" # At 04:15 on Sunday
 
-  pull_request:
-
   push:
     branches:
       - main
 
+
 concurrency:
-  # Only cancel in-progress runs for pull_request events, this prevents cancelling workflows against main or tags
-  # A pull_request will reuse the same group thus enabling cancelation, all others receive a unique run_id
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.run_id }}
   cancel-in-progress: true
 
@@ -23,11 +20,12 @@ jobs:
     name: CI
     if: always()
     runs-on: ubuntu-latest
+    permissions: {}
     timeout-minutes: 10
     needs:
       - build
     steps:
-      - uses: re-actors/alls-green@release/v1
+      - uses: re-actors/alls-green@05ac9388f0aebcb5727afa17fcccfecd6f8ec5fe  # v1.2.2
         id: alls-green
         with:
           jobs: ${{ toJSON(needs) }}
@@ -46,7 +44,7 @@ jobs:
     # Builds all versions of each image in parallel.
     #
     # Run on merges to main, or on weekly scheduled re-builds.
-    if: contains(fromJSON('["push", "pull_request"]'), github.event_name) || github.event.schedule == '15 3 * * 0'
+    if: github.event_name == 'push' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
     permissions:
       contents: read
       packages: write
diff --git a/.github/zizmor.yml b/.github/zizmor.yml
new file mode 100644
index 0000000..0533c12
--- /dev/null
+++ b/.github/zizmor.yml
@@ -0,0 +1,9 @@
+rules:
+  unpinned-uses:
+    config:
+      policies:
+        # Shared workflows and composite actions from images-shared
+        # are kept at @main intentionally.
+        "posit-dev/images-shared/*": ref-pin
+        "*": hash-pin
+