diff --git a/sawyer_gazebo/src/head_interface.cpp b/sawyer_gazebo/src/head_interface.cpp
index d39fbc1..98bf13f 100644
--- a/sawyer_gazebo/src/head_interface.cpp
+++ b/sawyer_gazebo/src/head_interface.cpp
@@ -68,7 +68,7 @@ bool HeadInterface::startHead(const ros::NodeHandle& nh, boost::shared_ptr<contr
     auto cv_ptr = std::make_unique<cv_bridge::CvImage>();
     try
     {
-      cv_ptr->image = cv::imread(img_path, CV_LOAD_IMAGE_UNCHANGED);
+      cv_ptr->image = cv::imread(img_path, cv::IMREAD_UNCHANGED);
       if (cv_ptr->image.data)
       {
         cv_ptr->encoding = sensor_msgs::image_encodings::BGR8;
diff --git a/sawyer_sim_controllers/CMakeLists.txt b/sawyer_sim_controllers/CMakeLists.txt
index 9370dbb..0b36fdd 100644
--- a/sawyer_sim_controllers/CMakeLists.txt
+++ b/sawyer_sim_controllers/CMakeLists.txt
@@ -44,6 +44,7 @@ add_dependencies(${PROJECT_NAME} ${catkin_EXPORTED_TARGETS})
 
 target_link_libraries(${PROJECT_NAME}
                       ${catkin_LIBRARIES}
+		      yaml-cpp
 )
 
 install(TARGETS ${PROJECT_NAME}