diff --git a/xerces-j2-bootstrap.spec b/xerces-j2-bootstrap.spec
index b380911..9c6d77c 100644
--- a/xerces-j2-bootstrap.spec
+++ b/xerces-j2-bootstrap.spec
@@ -12,7 +12,7 @@
 
 Name:           xerces-j2-bootstrap
 Url:            http://xml.apache.org/xerces2-j/
-BuildRequires:  fastjar java-1_4_2-gcj-compat-devel unzip xml-commons-apis-bootstrap xml-commons-resolver-bootstrap xml-commons-which-bootstrap zip
+BuildRequires:  fastjar java-1_4_2-gcj-compat-devel unzip xml-commons-apis-bootstrap xml-commons-resolver-bootstrap xml-commons-which-bootstrap zip antlr-bootstrap
 %if %{?!suse_version:1}0
 %if %{?!mandriva_release:1}0
 BuildRequires:  chkconfig