diff --git a/.gitignore b/.gitignore
index 0eaddf68a..e407015f6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -82,3 +82,6 @@ rkt-*
 
 # generated routes file
 command/agent/bindata_assetfs.go
+
+# auto-generated cert file for Terraform/Azure
+azure-hashistack.pem