diff --git a/.gitignore b/.gitignore
index 56f8332..337f401 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 # files generated by Autoconf, Automake, and Gnulib
 
 .deps
+.dirstamp
 /ChangeLog
 /INSTALL
 /aclocal.m4