diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
new file mode 100644
index 0000000..57a2a16
--- /dev/null
+++ b/.github/workflows/cd.yml
@@ -0,0 +1,14 @@
+name: CD
+
+on: # zizmor: ignore[dangerous-triggers] deploy-after-CI-passes is the standard rubyatscale release pattern; the called workflow only tags/publishes on main
+  workflow_run:
+    workflows: [CI]
+    types: [completed]
+    branches: [main]
+
+jobs:
+  call-workflow-from-shared-config:
+    permissions:
+      contents: write
+    uses: rubyatscale/shared-config/.github/workflows/cd.yml@main # zizmor: ignore[unpinned-uses,secrets-inherit] internal reusable workflow tracked at @main by convention so shared-config updates propagate automatically; environments are managed by callers
+    secrets: inherit
diff --git a/.github/workflows/push_gem.yml b/.github/workflows/push_gem.yml
deleted file mode 100644
index 06864c5..0000000
--- a/.github/workflows/push_gem.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-name: Publish to Rubygems
-on:
-  push:
-    branches:
-      - "main"
-    tags:
-      - v*
-
-jobs:
-  push:
-    name: Push gem to RubyGems.org
-    runs-on: ubuntu-latest
-
-    permissions:
-      id-token: write # IMPORTANT: this permission is mandatory for trusted publishing
-      contents: write # IMPORTANT: this permission is required for `rake release` to push the release tag
-
-    steps:
-      # Set up
-      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-        with:
-          persist-credentials: false
-      - name: Set up Ruby
-        uses: ruby/setup-ruby@14594264cd68ce8a2345dd349bc3d138a4ef85c8 # v1.327.0
-        with:
-          ruby-version: ruby
-      # Not bundler-cache: a tag-triggered release shouldn't restore a cache other workflows can write.
-      - name: Install gems
-        run: bundle install
-
-      # Release
-      - uses: rubygems/release-gem@7f9650160c1a4e7989fdc9855807bdbd421d8b6b # v1.4.1