diff --git a/.gitignore b/.gitignore
index ba077a4031add5b3a04384f8b9cfc414efbf47dd..1bc14262c00c777c52b380f4009cd4a0934c5c37 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,5 @@
 bin
+*.key
+*.crt
+*.pem
+synapse-data