diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0050104cf..5f0c539a5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -210,7 +210,7 @@ if(NOT HAVE_STDINT_H)
 endif()
 
 
-find_package(OpenSceneGraph 3.3.4 REQUIRED osgDB osgViewer osgText osgGA osgParticle osgUtil osgFX)
+find_package(OpenSceneGraph 3.3.4 REQUIRED osgDB osgViewer osgText osgGA osgAnimation osgParticle osgUtil osgFX osgShadow)
 include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS})
 
 set(USED_OSG_PLUGINS