diff --git a/ci/test.sh b/ci/test.sh
index 464d89c2..c7a7f161 100755
--- a/ci/test.sh
+++ b/ci/test.sh
@@ -12,7 +12,7 @@ echo $GO_VERSION
 FAIL_PACKAGES=()
 
 # OpenCV components to link in CGO compile
-OPENCV_LDFLAGS="-lopencv_core -lopencv_videoio -lopencv_imgproc -lopencv_highgui -lopencv_imgcodecs -lopencv_objdetect -lopencv_video -lopencv_features2d -lopencv_face -lopencv_xfeatures2d"
+OPENCV_LDFLAGS="-lopencv_core -lopencv_face -lopencv_videoio -lopencv_imgproc -lopencv_highgui -lopencv_imgcodecs -lopencv_objdetect -lopencv_features2d -lopencv_video -lopencv_dnn -lopencv_xfeatures2d"
 
 # Use $HOME on Travis
 # Use /usr/local on local
diff --git a/travis_build_opencv.sh b/travis_build_opencv.sh
index 2c9c20d1..a437620b 100755
--- a/travis_build_opencv.sh
+++ b/travis_build_opencv.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -eux -o pipefail
 
-OPENCV_VERSION=${OPENCV_VERSION:-3.3.1}
+OPENCV_VERSION=${OPENCV_VERSION:-3.4.0}
 
 #GRAPHICAL=ON
 GRAPHICAL=${GRAPHICAL:-OFF}