diff --git a/.boring b/.boring
index e75bf57..bc2a1f9 100644
--- a/.boring
+++ b/.boring
@@ -1,19 +1,21 @@
 #
 # Boring file regular expressions
 #
 
 ~$
 \#
 (^|/)\.DS_Store$
 (^|/)Thumbs\.db$
 (^|/)core(\.[0-9]+)?$
 \.(pyc|pyo|o|so|orig|rej|prof|bak|BAK|tmp|wpr|wpu|swp|swo|komodoproject)$
 
 (^|/)\.idea($|/)
 (^|/)\.komodotools($|/)
 (^|/)_darcs($|/)
 
 ^MANIFEST$
 ^config\.ini$
 ^build($|/)
 ^dist($|/)
+
+^tls/.*\.(crt|key|pem)$