diff --git a/Autotools.gitignore b/Autotools.gitignore
index 56365128..f2c137d0 100644
--- a/Autotools.gitignore
+++ b/Autotools.gitignore
@@ -7,6 +7,7 @@ Makefile.in
 /test-driver
 /ylwrap
 .deps/
+.dirstamp
 
 # http://www.gnu.org/software/autoconf