diff --git a/hs20/client/.gitignore b/hs20/client/.gitignore
index d2fd60fb4..f6c13d3e5 100644
--- a/hs20/client/.gitignore
+++ b/hs20/client/.gitignore
@@ -1 +1,4 @@
 hs20-osu-client
+SP
+osu-ca.pem
+spp.xsd