diff --git a/src/lib/features/dependent-features/dependent-features-service.ts b/src/lib/features/dependent-features/dependent-features-service.ts
index fd7603094600..318b7740e4ec 100644
--- a/src/lib/features/dependent-features/dependent-features-service.ts
+++ b/src/lib/features/dependent-features/dependent-features-service.ts
@@ -90,6 +90,12 @@ export class DependentFeaturesService {
     ): Promise<void> {
         const { enabled, feature: parent, variants } = dependentFeature;
 
+        if (child === parent) {
+            throw new InvalidOperationError(
+                'A feature flag cannot depend on itself.',
+            );
+        }
+
         const [children, parentExists] = await Promise.all([
             this.dependentFeaturesReadModel.getChildren([child]),
             this.featuresReadModel.featureExists(parent),
diff --git a/src/lib/features/dependent-features/dependent.features.e2e.test.ts b/src/lib/features/dependent-features/dependent.features.e2e.test.ts
index 3fac621fa327..6e135b758e5a 100644
--- a/src/lib/features/dependent-features/dependent.features.e2e.test.ts
+++ b/src/lib/features/dependent-features/dependent.features.e2e.test.ts
@@ -194,3 +194,16 @@ test('should check if any dependencies exist', async () => {
     const { body: dependenciesExistAfter } = await checkDependenciesExist();
     expect(dependenciesExistAfter).toBe(true);
 });
+
+test('should not allow to add dependency to self', async () => {
+    const parent = uuidv4();
+    await app.createFeature(parent);
+
+    await addFeatureDependency(
+        parent,
+        {
+            feature: parent,
+        },
+        403,
+    );
+});