diff --git a/.gitignore b/.gitignore
index 579af724e769..44806dc86159 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,7 @@ kube-ovn-cni-sa.yaml
 kube-ovn-sa.yaml
 ovn-ovs-sa.yaml
 ovs-ovn-ds.yaml
+cacert.pem
+ovn-req.pem
+ovn-cert.pem
+ovn-privkey.pem