diff --git a/.gitignore b/.gitignore
index a4fe18b..a426f18 100644
--- a/.gitignore
+++ b/.gitignore
@@ -398,3 +398,6 @@ FodyWeavers.xsd
 
 # JetBrains Rider
 *.sln.iml
+
+# ignore keys, so people could generate them themselves
+*.pem
\ No newline at end of file