diff --git a/backend/app/dependencies.py b/backend/app/dependencies.py
index e8912e8..13bb686 100644
--- a/backend/app/dependencies.py
+++ b/backend/app/dependencies.py
@@ -791,6 +791,11 @@ def resolve_dependencies(
                 continue
 
             dep_artifact_id, dep_version, dep_size = resolved_dep
+
+            # Skip if resolved to same artifact (self-dependency at artifact level)
+            if dep_artifact_id == artifact_id:
+                continue
+
             _resolve_recursive(
                 dep_artifact_id,
                 dep.dependency_project,
diff --git a/frontend/src/components/DependencyGraph.tsx b/frontend/src/components/DependencyGraph.tsx
index 89e52dd..cdfb866 100644
--- a/frontend/src/components/DependencyGraph.tsx
+++ b/frontend/src/components/DependencyGraph.tsx
@@ -117,6 +117,14 @@ function DependencyGraph({ projectName, packageName, tagName, onClose }: Depende
 
       try {
         const result = await resolveDependencies(projectName, packageName, tagName);
+
+        // If only the root package (no dependencies) and no missing deps, close the modal
+        const hasDeps = result.artifact_count > 1 || (result.missing && result.missing.length > 0);
+        if (!hasDeps) {
+          onClose();
+          return;
+        }
+
         setResolution(result);
 
         const graph = await buildGraph(result);