diff --git a/.gitignore b/.gitignore
index fc8a7a7c9..b4f38278e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@
 *.war
 *.ear
 /source/
+/tools/
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*