diff --git a/vtk.spec b/vtk.spec
index 2839927..f6b74f0 100644
--- a/vtk.spec
+++ b/vtk.spec
@@ -99,6 +99,8 @@ Requires: postgresql-devel%{?_isa}
 Requires: mysql-devel%{?_isa}
 Requires: qt4-devel%{?_isa}
 Requires: qtwebkit-devel%{?_isa}
+Requires: jsoncpp-devel%{?_isa}
+Requires: python2-devel
 Group: Development/Libraries
 
 %description devel 
@@ -462,6 +464,7 @@ cp -pr --parents Wrapping/*/README* _docs/
 %changelog
 * Sun Dec 13 2015 Orion Poplawski <orion@cora.nwra.com> - 6.1.0-5
 - Add patch to fix compilation with mesa 10.4 (bug #1291099)
+- Add jsoncpp-devel and python2-devel to vtk-devel Requires (bug #1183210)
 - Add patch to fix compilation error
 - Don't override Java memory settings on s390 (related to bug #1115920)
 - Increase java heap space for builds (bug #1115920)