diff --git a/pentaho-reporting-flow-engine.spec b/pentaho-reporting-flow-engine.spec
index 66d42e9..918d992 100644
--- a/pentaho-reporting-flow-engine.spec
+++ b/pentaho-reporting-flow-engine.spec
@@ -10,13 +10,13 @@ Epoch: 1
 Group: System Environment/Libraries
 Source: http://downloads.sourceforge.net/jfreereport/flow-engine-%{version}-OOo31.zip
 URL: http://reporting.pentaho.org/
-BuildRequires: ant, java-devel, jpackage-utils, libbase
+BuildRequires: ant, java-devel, jpackage-utils, libbase, jcommon-serializer
 BuildRequires: libloader, libfonts, pentaho-libxml, xml-commons-apis
 BuildRequires: librepository, sac, flute, liblayout, libformula
 Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 Requires: java, jpackage-utils, libbase >= 1.0.0, libfonts >= 0.3.4
 Requires: pentaho-libxml, libformula >= 0.1.18, librepository >= 0.1.6
-Requires: sac, flute, liblayout >= 0.2.9
+Requires: sac, flute, liblayout >= 0.2.9, jcommon-serializer
 %if %{with_gcj}
 BuildRequires: java-gcj-compat-devel >= 1.0.31
 Requires(post): java-gcj-compat >= 1.0.31