diff --git a/.gitignore b/.gitignore
index 2d08f72d57..fda3b0b698 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,5 +17,6 @@ oddmuse/*
 image-dired/
 elim/
 elpa-to-submit/nxhtml/etc/schema/xhtml-loader.rnc~
+session*
 tramp
 \#*