diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3852f91dd79770cc82fbfd1ea6cda6985d07de97..b818224e1cf510d6931392238935ab6af670d7c2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,6 +5,7 @@ project( "GeoModelTools" VERSION 1.0.0 LANGUAGES CXX )
 add_subdirectory(XMLParser)
 add_subdirectory(JSONParser)
 add_subdirectory(ExpressionEvaluator)
+add_subdirectory(GMCAT)
 
 install(EXPORT JSONParser-export FILE GeoModelTools-JSONParser.cmake DESTINATION lib/cmake/GeoModelTools)
 install(EXPORT XMLParser-export FILE GeoModelTools-XMLParser.cmake DESTINATION lib/cmake/GeoModelTools)