diff --git a/src/components/graph/RenderingNode.tsx b/src/components/graph/RenderingNode.tsx
index 4154ba0..b25a18e 100644
--- a/src/components/graph/RenderingNode.tsx
+++ b/src/components/graph/RenderingNode.tsx
@@ -34,6 +34,24 @@ export const RenderingNode = memo(function RenderingNode({ id }: Props) {
     const yamlText = srcNode && srcNode.type === 'config' ? srcNode?.data?.yaml ?? '' : ''
     const srcData = srcNode?.data ?? {}
 
+    const configSignature = useMemo(
+        () =>
+            nodes
+                .filter((n: any) => n.type === 'config')
+                .map((n: any) => `${n.id}:${n.data?.title ?? ''}:${n.data?.yaml ?? ''}`)
+                .join('|'),
+        [nodes]
+    )
+
+    const edgesSignature = useMemo(
+        () =>
+            edges
+                .map((e: any) => `${e.source}->${e.target}`)
+                .sort()
+                .join('|'),
+        [edges]
+    )
+
     useEffect(() => {
         // debug
         // eslint-disable-next-line no-console
@@ -104,7 +122,7 @@ export const RenderingNode = memo(function RenderingNode({ id }: Props) {
             setOutput('')
             setError({ kind: 'parse', message: msg })
         }
-    }, [id, incomingIds.join(','), yamlText, nodes.length, edges.length])
+    }, [id, incomingIds.join(','), yamlText, configSignature, edgesSignature])
 
     return (
         <BaseNode className="w-96">