diff --git a/.travis.yml b/.travis.yml
index 8c9f66d..5077d35 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,6 +13,7 @@ compiler:
 
 os:
   - linux  
+  - osx
   
 before_install:
 
@@ -24,9 +25,9 @@ before_install:
       sudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev checkinstall;
       sudo apt-get install cmake;
       sudo apt-get install libboost1.55-all-dev;
-      wget https://github.com/Itseez/opencv/archive/3.1.0.zip;
-      unzip -q 3.1.0.zip;
-      cd opencv-3.1.0;
+      wget https://github.com/opencv/opencv/archive/3.4.0.zip;
+      unzip -q 3.4.0.zip;
+      cd opencv-3.4.0;
       mkdir build;
       cd build;
     fi
@@ -51,13 +52,8 @@ before_install:
       brew update;
       brew install tbb;
       brew tap homebrew/science;
-      brew install vtk;
-      wget https://github.com/Itseez/opencv/archive/3.1.0.zip;
-      unzip -q 3.1.0.zip;
-      cd opencv-3.1.0;
-      sudo mkdir build;
-      cd build;
-      sudo cmake -D CMAKE_BUILD_TYPE=RELEASE -D WITH_V4L=ON ..;
+      brew install tbb opencv3;
+      brew install boost;
     fi
 
 before_script:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 385e1c8..ea42e75 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@ find_package( BLAS REQUIRED )
 include_directories( ${BLAS_INCLUDE_DIRS} )
 LINK_DIRECTORIES(${BLAS_LIBRARY_DIRS})	
 
-find_package( OpenCV 3.1 REQUIRED )
+find_package( OpenCV 3.3 REQUIRED )
 
 MESSAGE("OpenCV information:") 
 MESSAGE("  OpenCV_INCLUDE_DIRS: ${OpenCV_INCLUDE_DIRS}")