diff --git a/lib/manager/helm-requirements/index.ts b/lib/manager/helm-requirements/index.ts
index 5595a86c747dcf8e59732705d169e21c5c078932..27dc082a0b3783e0ab7492fe83af8aec8d787c38 100644
--- a/lib/manager/helm-requirements/index.ts
+++ b/lib/manager/helm-requirements/index.ts
@@ -5,5 +5,5 @@ export const defaultConfig = {
     stable: 'https://kubernetes-charts.storage.googleapis.com/',
   },
   commitMessageTopic: 'helm chart {{depName}}',
-  fileMatch: ['(^|/)requirements.yaml$'],
+  fileMatch: ['(^|/)requirements\\.yaml$'],
 };