diff --git a/.github/workflows/_supergraph_composition.yaml b/.github/workflows/_supergraph_composition.yaml
deleted file mode 100644
index 57224c30..00000000
--- a/.github/workflows/_supergraph_composition.yaml
+++ /dev/null
@@ -1,51 +0,0 @@
-name: Compose Supergraph Schema
-
-on:
-  workflow_call:
-
-jobs:
-  compose_supergraph:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout Graph Federation source
-        uses: actions/checkout@v4.2.2
-        with:
-          repository: DiamondLightSource/graph-federation
-
-      - name: Download Subgraph schema
-        uses: actions/download-artifact@v4.1.8
-        with:
-          name: graph-proxy
-          path: schema/
-
-      - name: Add Subgraph workflows to Supergraph config
-        run: >
-          yq -i
-          '
-          .subgraphs.workflows={
-            "routing_url":"https://workflows.diamond.ac.uk/graphql",
-            "schema":{
-              "file":"schema/workflows.graphql"
-            }
-          }
-          '
-          supergraph-config.yaml
-
-      - name: Install Rover CLI
-        run: |
-          curl -sSL https://rover.apollo.dev/nix/latest | sh
-          echo "$HOME/.rover/bin" >> $GITHUB_PATH
-
-      - name: Compose Supergraph Schema
-        run: >
-          rover supergraph compose
-          --config supergraph-config.yaml
-          --elv2-license=accept
-          > supergraph.graphql
-
-      - name: Upload Supergraph Artifact
-        uses: actions/upload-artifact@v4.4.3
-        with:
-          name: supergraph
-          path: ./supergraph.graphql
-
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 378e0f47..a9e7ac34 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -49,19 +49,18 @@ jobs:
       contents: read
       packages: write
 
-  supergraph_composition:
+  supergraph:
     # Deduplicate jobs from pull requests and branch pushes within the same repo.
     if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.repository
     needs: graph_proxy_schema
-    uses: ./.github/workflows/_supergraph_composition.yaml
-
-  supergraph_update:
-    # Only update the supergraph on releases (tagged pushes to main)
-    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
-    needs: supergraph_composition
-    uses: ./.github/workflows/_supergraph_update.yaml
-    secrets:
-      GRAPH_FEDERATOR: ${{ secrets.GRAPH_FEDERATOR }}
+    uses: diamondlightsource/graph-federation/workflows/update@v0.1.0
+    with:
+      name: workflows
+      routing-url: https://workflows.diamond.ac.uk/graphql
+      subgraph-schema-artifact: graph-proxy
+      subgraph-schema-filename: workflows.graphql
+      github-app-id: 1010045
+      github-app-private-key: ${{ secrets.GRAPH_FEDERATOR }}
     
   frontend_code:
     # Deduplicate jobs from pull requests and branch pushes within the same repo.