diff --git a/contrib/charts/cert-manager/requirements.lock b/contrib/charts/cert-manager/requirements.lock
new file mode 100644
index 000000000..0c0d02838
--- /dev/null
+++ b/contrib/charts/cert-manager/requirements.lock
@@ -0,0 +1,6 @@
+dependencies:
+- name: webhook
+  repository: file://webhook
+  version: v0.5.0
+digest: sha256:1a599fad18dc75842074c7ab10a66cebce521f27fa94ab6642d744479694200e
+generated: 2018-09-10T15:39:26.405370694+01:00