diff --git a/.gitignore b/.gitignore
index d2fa2fb606ae22993cf2258e79aa57bae938a2b4..729ffbb08cdd04d2ddde34694f13093cf0eaaec0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 book
 *.dtmp
-*.bkp
\ No newline at end of file
+*.bkp
+*.crt
+*.key