diff --git a/graph/configurations/gitea-actions-shared-composite-actions-repo-pattern-73646e.md b/graph/configurations/gitea-actions-shared-composite-actions-repo-pattern-73646e.md
index 5072cca0768..998991ce42c 100644
--- a/graph/configurations/gitea-actions-shared-composite-actions-repo-pattern-73646e.md
+++ b/graph/configurations/gitea-actions-shared-composite-actions-repo-pattern-73646e.md
@@ -6,7 +6,7 @@ tags: [gitea, ci-cd, actions, workflow, convention, docker]
 importance: 0.8
 confidence: 0.8
 created: "2026-02-18T20:06:25.840515+00:00"
-updated: "2026-03-05T03:31:28.837084+00:00"
+updated: "2026-03-05T03:31:37.369943+00:00"
 relations:
   - target: b27fb831-811e-4103-b5f1-3c36d5b1ad20
     type: RELATED_TO
@@ -78,6 +78,11 @@ relations:
     direction: incoming
     strength: 0.88
     edge_id: d58f3407-85a7-42d6-8c1d-635a5c94145a
+  - target: f6751853-4ca9-4c82-a767-3348ad6275a7
+    type: BUILDS_ON
+    direction: incoming
+    strength: 0.9
+    edge_id: 3306abcd-55f2-4a83-b91b-e1f36218ba38
 ---
 
 All CI/CD workflows across projects use shared composite actions from cal/gitea-actions repo on Gitea. This repo is PUBLIC (required for runner auth to work with REQUIRE_SIGNIN_VIEW=false).
diff --git a/graph/decisions/docker-tags-composite-action-three-channel-branch-based-tag-f67518.md b/graph/decisions/docker-tags-composite-action-three-channel-branch-based-tag-f67518.md
index e09dd4f5d41..629996d9b3c 100644
--- a/graph/decisions/docker-tags-composite-action-three-channel-branch-based-tag-f67518.md
+++ b/graph/decisions/docker-tags-composite-action-three-channel-branch-based-tag-f67518.md
@@ -6,7 +6,7 @@ tags: [gitea-actions, docker, ci-cd, composite-action, docker-tags, calver]
 importance: 0.8
 confidence: 0.8
 created: "2026-03-05T03:31:12.382315+00:00"
-updated: "2026-03-05T03:31:35.073515+00:00"
+updated: "2026-03-05T03:31:37.369943+00:00"
 relations:
   - target: 73646e80-a640-4316-b7c6-54a4330f1b28
     type: RELATED_TO
@@ -28,6 +28,11 @@ relations:
     direction: incoming
     strength: 0.95
     edge_id: 83c9944b-7736-4964-a1e3-fa5e45b65b70
+  - target: 73646e80-a640-4316-b7c6-54a4330f1b28
+    type: BUILDS_ON
+    direction: outgoing
+    strength: 0.9
+    edge_id: 3306abcd-55f2-4a83-b91b-e1f36218ba38
 ---
 
 # Docker Tags Composite Action: Three-Channel Branch-Based Tag Resolution
diff --git a/graph/edges/docker-tags-composite-action-t--BUILDS_ON--gitea-actions-shared-composite-3306ab.md b/graph/edges/docker-tags-composite-action-t--BUILDS_ON--gitea-actions-shared-composite-3306ab.md
new file mode 100644
index 00000000000..a5e10015a29
--- /dev/null
+++ b/graph/edges/docker-tags-composite-action-t--BUILDS_ON--gitea-actions-shared-composite-3306ab.md
@@ -0,0 +1,13 @@
+---
+id: 3306abcd-55f2-4a83-b91b-e1f36218ba38
+type: BUILDS_ON
+from_id: f6751853-4ca9-4c82-a767-3348ad6275a7
+from_title: "Docker Tags Composite Action: Three-Channel Branch-Based Tag Resolution"
+to_id: 73646e80-a640-4316-b7c6-54a4330f1b28
+to_title: "Gitea Actions shared composite actions repo pattern"
+strength: 0.9
+created: "2026-03-05T03:31:37.369943+00:00"
+updated: "2026-03-05T03:31:37.369943+00:00"
+---
+
+docker-tags action follows the shared composite actions repo convention