diff --git a/apache-commons-collections.spec b/apache-commons-collections.spec
index e06ec48..92242e6 100644
--- a/apache-commons-collections.spec
+++ b/apache-commons-collections.spec
@@ -27,6 +27,7 @@ BuildRequires: apache-commons-parent
 BuildRequires: dos2unix
 Requires:      java-headless
 Requires:      jpackage-utils
+Requires:      apache-commons-parent
 
 %description
 The introduction of the Collections API by Sun in JDK 1.2 has been a