diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0dc932d3ee68b27f699b1f1b01e0ea47d8c6127e..e2d0f2d00603adfe40637d74b5381fed5e8ea165 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -298,25 +298,25 @@ endif ()
 
 #--------------------------------------------------------------------
 set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
-include(ConanHelpers)
+#include(ConanHelpers)
 include(CTest)
 include(GenerateExportHeader)
 include(rwthvr)
 
 enable_testing()
 
-conan_or_find_package(catch REQUIRED)
-conan_or_find_package(contra REQUIRED)
-conan_or_find_package(nesci REQUIRED)
+#conan_or_find_package(catch REQUIRED)
 
-conan_or_find_package(cpplint REQUIRED)
-include(cpplint)
-conan_or_find_package(cppcheck REQUIRED)
-include(cppcheck)
+#conan_or_find_package(cpplint REQUIRED)
+#include(cpplint)
+#conan_or_find_package(cppcheck REQUIRED)
+#include(cppcheck)
 
 option(BUILD_VTK_DEMO "Build with VTK demo" OFF)
 
-add_subdirectory(demos)
+if (BUILD_VTK_DEMO)
+  add_subdirectory(demos)
+endif(BUILD_VTK_DEMO)
 #--------------------------------------------------------------------
 
 message( "" )
diff --git a/conanfile.py b/conanfile.py
index f1566ae334b2533288aaddf5cdadbe83d9a9f2c9..d07763488e253860b9ba3cafeb2bba0c18da744c 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -26,14 +26,15 @@ class nest(ConanFile):
     description = """NEST is a simulator for spiking neural network models that focuses on the dynamics, size and structure of neural systems rather than on the exact morphology of individual neurons."""
     settings = "os", "compiler", "build_type", "arch"
 
-    requires = (("contra/18.05@RWTH-VR/develop"),
+    requires = (("contra/18.07@RWTH-VR/develop"),
                 ("nesci/18.05@RWTH-VR/develop"),
-		("Qt/5.11.1@bincrafters/stable"),
+		        #("Qt/5.11.1@bincrafters/stable"),
                 ("conduit/0.3.1@RWTH-VR/thirdparty"))
     generators = "cmake"
 
     def configure(self):
-        pass
+        self.options["contra"].with_transport_boost_shared_memory = False
+        self.options["contra"].with_transport_zeromq = True
 
     def imports(self):
         pass
diff --git a/demos/QVTK-Demo/CMakeLists.txt b/demos/QVTK-Demo/CMakeLists.txt
index 01b873f0e67b655df7632f46d274b2396fd3c354..9a77e43cced096dfaf0575d33ae4958908e1b08c 100644
--- a/demos/QVTK-Demo/CMakeLists.txt
+++ b/demos/QVTK-Demo/CMakeLists.txt
@@ -19,7 +19,7 @@
 # limitations under the License.
 #-------------------------------------------------------------------------------
 
-conan_or_find_package(Qt REQUIRED)
+#conan_or_find_package(Qt REQUIRED)
 
 #add_subdirectory(qvtk-app)
 add_subdirectory(qvtk-lib)
diff --git a/demos/QVTK-Demo/qvtk-lib/CMakeLists.txt b/demos/QVTK-Demo/qvtk-lib/CMakeLists.txt
index 984e636828f71211d6bf54d4e4f58128560ac4fa..a204f35ff1cc0675fb4d4d60fc450cf055315159 100644
--- a/demos/QVTK-Demo/qvtk-lib/CMakeLists.txt
+++ b/demos/QVTK-Demo/qvtk-lib/CMakeLists.txt
@@ -40,8 +40,8 @@ rwthvr_add_library(NAME qvtk-lib
 )
 
 target_include_directories(qvtk-lib
-  PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}
-  PUBLIC ${CMAKE_CURRENT_BINARY_DIR}
+  PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include
+  PUBLIC ${CMAKE_CURRENT_BINARY_DIR}/include
 )
 
 generate_export_header(qvtk-lib