diff --git a/.github/workflows/deployment.yml b/.github/workflows/deployment.yml
index f69e3a2b3..e164c8328 100644
--- a/.github/workflows/deployment.yml
+++ b/.github/workflows/deployment.yml
@@ -9,7 +9,7 @@ on:
 
 jobs:
 
-  build: #---------------------------------------------------------------------
+  build: #----------------------------------------------------------------------
     name: Build Phar
     runs-on: ubuntu-latest
 
@@ -184,7 +184,7 @@ jobs:
           WP_VERSION: '${{ matrix.wp }}'
         run: composer behat || composer behat-rerun
 
-  deploy: #-----------------------------------------------------------------------
+  deploy: #---------------------------------------------------------------------
     name: Deployment
     runs-on: ubuntu-latest
     needs: [build, test]
@@ -259,7 +259,57 @@ jobs:
           branch: gh-pages
           repository: wp-cli/builds
 
-  build-rpm: #-----------------------------------------------------------------------
+  deploy-shim: #----------------------------------------------------------------
+    name: Deployment (Composer shim)
+    runs-on: ubuntu-latest
+    needs: [build, test]
+
+    if: ${{ github.repository_owner == 'wp-cli' && github.event_name != 'workflow_dispatch' }}
+    steps:
+      - name: Check out shim repository
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          repository: wp-cli/wp-cli-shim
+          token: ${{ secrets.ACTIONS_BOT }}
+
+      - name: Download WP-CLI version
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8
+        with:
+          name: cli_version
+
+      - name: Download built Phar file
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8
+        with:
+          name: wp-cli-phar
+
+      - name: Move built Phar file into correct location
+        run: |
+          mv wp-cli.phar wp
+
+      - name: Make built Phar executable
+        run: |
+          chmod +x wp
+
+      - name: Commit files
+        run: |
+          git config --local user.email "action@github.com"
+          git config --local user.name "GitHub Action"
+          git add wp
+          git commit -m "phar build: $GITHUB_REPOSITORY@$GITHUB_SHA"
+
+      - name: Tag stable release
+        if: ${{ contains(github.ref, 'release') }}
+        run: git tag "v$(head -n 1 cli_version.txt)"
+
+      - name: Push changes
+        uses: ad-m/github-push-action@881a6320fdb16eb5318c5054f31c218aec2b324c # v1
+        with:
+          github_token: ${{ secrets.ACTIONS_BOT }}
+          branch: main
+          tags: true
+          repository: wp-cli/wp-cli-shim
+
+  build-rpm: #------------------------------------------------------------------
     name: Build RPM package
     runs-on: ubuntu-latest
     if: ${{ contains(github.ref, 'release') && github.repository_owner == 'wp-cli' && github.event_name != 'workflow_dispatch' }}
@@ -348,7 +398,7 @@ jobs:
           branch: gh-pages
           repository: wp-cli/builds
 
-  build-deb: #-----------------------------------------------------------------------
+  build-deb: #------------------------------------------------------------------
     name: Build DEB package
     runs-on: ubuntu-latest
     if: ${{ contains(github.ref, 'release') && github.repository_owner == 'wp-cli' && github.event_name != 'workflow_dispatch' }}