diff --git a/hsqldb.spec b/hsqldb.spec
index 1e22e4c..7b6259a 100644
--- a/hsqldb.spec
+++ b/hsqldb.spec
@@ -57,6 +57,7 @@ BuildRequires:  ant
 BuildRequires:  junit
 BuildRequires:  jpackage-utils >= 0:1.5
 BuildRequires:  servlet25
+BuildRequires:  java-1.6.0-openjdk-devel
 Group:      Databases
 BuildArch:  noarch