diff --git a/Autotools.gitignore b/Autotools.gitignore
index 563651289c3b9231d6a9ba398772ffbb3ea07f2f..f2c137d046a6add7755137954e8d4c65af88bbff 100644
--- a/Autotools.gitignore
+++ b/Autotools.gitignore
@@ -7,6 +7,7 @@ Makefile.in
 /test-driver
 /ylwrap
 .deps/
+.dirstamp
 
 # http://www.gnu.org/software/autoconf