diff --git a/Code/Mantid/CMakeLists.txt b/Code/Mantid/CMakeLists.txt
index 37a6fe363495..6c9c613fdf91 100644
--- a/Code/Mantid/CMakeLists.txt
+++ b/Code/Mantid/CMakeLists.txt
@@ -199,7 +199,7 @@ if ( ENABLE_CPACK )
       set ( CPACK_RPM_PACKAGE_REQUIRES "${CPACK_RPM_PACKAGE_REQUIRES},python-ipython >= 1.1.0" )
       # scipy & matplotlib
       set ( CPACK_RPM_PACKAGE_REQUIRES "${CPACK_RPM_PACKAGE_REQUIRES},scipy,python-matplotlib" )
-      set ( CPACK_RPM_PACKAGE_REQUIRES "${CPACK_RPM_PACKAGE_REQUIRES},mxml,hdf,hdf5" )
+      set ( CPACK_RPM_PACKAGE_REQUIRES "${CPACK_RPM_PACKAGE_REQUIRES},mxml,hdf,hdf5,jsoncpp" )
 
       if( "${UNIX_CODENAME}" MATCHES "Santiago" )
         # On RHEL6 we have to use an updated qscintilla to fix an auto complete bug
@@ -222,7 +222,7 @@ if ( ENABLE_CPACK )
                            "libboost-python${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION},"
                            "libnexus0 (>= 4.3),libgsl0ldbl,libqtcore4 (>= 4.2),libqtgui4 (>= 4.2),libqt4-opengl (>= 4.2),"
                            "libqt4-xml (>= 4.2),libqt4-svg (>= 4.2),libqt4-qt3support (>= 4.2),qt4-dev-tools,"
-                           "libqwt5-qt4,libqwtplot3d-qt4-0,python-numpy,python-sip,python-qt4" )
+                           "libqwt5-qt4,libqwtplot3d-qt4-0,python-numpy,python-sip,python-qt4,libjsoncpp0" )
         set ( PERFTOOLS_DEB_PACKAGE "libgoogle-perftools0 (>= 1.7)" )
         if( "${UNIX_CODENAME}" MATCHES "lucid" )
           list ( APPEND DEPENDS_LIST ",libqscintilla2-5,"