diff --git a/CMakeLists.txt b/CMakeLists.txt
index f50d40d..4c9e9e6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION "3.12")
 
-project("spackexample" VERSION 0.2.0)
+project("spackexample" VERSION 0.3.0)
 
 find_package(Boost
   1.65.1
@@ -8,13 +8,12 @@ find_package(Boost
   filesystem
   )
 
-#find_package(yaml-cpp
-#  0.7.0
-#  REQUIRED
-#  )
+find_package(yaml-cpp
+  0.7.0
+  REQUIRED
+  )
 
-add_library(spackexamplelib filesystem/filesystem.cpp flatset/flatset.cpp)
-#add_library(spackexamplelib filesystem/filesystem.cpp flatset/flatset.cpp yamlParser/yamlParser.cpp)
+add_library(spackexamplelib filesystem/filesystem.cpp flatset/flatset.cpp yamlParser/yamlParser.cpp)
 
 set_target_properties(spackexamplelib
   PROPERTIES
@@ -23,10 +22,11 @@ set_target_properties(spackexamplelib
     PUBLIC_HEADER yamlParser/yamlParser.hpp
   )
 
+include_directories(${YAML_CPP_INCLUDE_DIR})
+
 add_executable(spackexample main.cpp)
 target_link_libraries(spackexample spackexamplelib)
-target_link_libraries(spackexamplelib Boost::filesystem)
-#target_link_libraries(spackexamplelib Boost::filesystem ${YAML_CPP_LIBRARIES})
+target_link_libraries(spackexamplelib Boost::filesystem yaml-cpp)
 
 target_include_directories(spackexamplelib
     PRIVATE
diff --git a/main.cpp b/main.cpp
index 55a4f7d..8eda2d3 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,6 +1,6 @@
 #include "flatset/flatset.hpp"
 #include "filesystem/filesystem.hpp"
-//#include "yamlParser/yamlParser.hpp"
+#include "yamlParser/yamlParser.hpp"
 #include <iostream>
 
 int main(int argc, char *argv[])
@@ -15,13 +15,13 @@ int main(int argc, char *argv[])
   inspectDirectory();
   std::cout << std::endl;
 
-  //if ( argc == 2 )
-  //{
-  //  const std::string yamlFile( argv[1] );
-  //  std::cout << "Parse some yaml file with yaml-cpp" << std::endl;
-  //  std::cout << "  " << yamlFile << std::endl;
-  //  parseConfig( yamlFile );
-  //}
+  if ( argc == 2 )
+  {
+    const std::string yamlFile( argv[1] );
+    std::cout << "Parse some yaml file with yaml-cpp" << std::endl;
+    std::cout << "  " << yamlFile << std::endl;
+    parseConfig( yamlFile );
+  }
 
   return 0;
 }