diff --git a/downloadAndInsertOpenCV.sh b/downloadAndInsertOpenCV.sh
index b808025..c31d6dd 100755
--- a/downloadAndInsertOpenCV.sh
+++ b/downloadAndInsertOpenCV.sh
@@ -1,21 +1,25 @@
+# taken from https://github.com/brainhubeu/react-native-opencv-tutorial/blob/master/downloadAndInsertOpenCV.sh
+
 # ios
+version=4.1.0
+base_url=https://razaoinfo.dl.sourceforge.net/project/opencvlibrary/${version}/
 
-wget https://sourceforge.net/projects/opencvlibrary/files/opencv-ios/3.4.1/opencv-3.4.1-ios-framework.zip
-unzip -a opencv-3.4.1-ios-framework.zip
+wget ${base_url}/opencv-${version}-ios-framework.zip
+unzip -a opencv-${version}-ios-framework.zip
 cd ios
 cp -r ./../opencv2.framework ./
 cd ..
-rm -rf opencv-3.4.1-ios-framework.zip
+rm -rf opencv-${version}-ios-framework.zip
 rm -rf opencv2.framework/
 
 # android
 
-wget https://sourceforge.net/projects/opencvlibrary/files/opencv-android/3.4.1/opencv-3.4.1-android-sdk.zip
-unzip opencv-3.4.1-android-sdk.zip
+wget ${base_url}/opencv-${version}-android-sdk.zip
+unzip opencv-${version}-android-sdk.zip
 cd android/app/src/main
 mkdir jniLibs
 cp -r ./../../../../OpenCV-android-sdk/sdk/native/libs/ ./jniLibs
 cd ../../../../
-rm -rf opencv-3.4.1-android-sdk.zip
+rm -rf opencv-${version}-android-sdk.zip
 rm -rf OpenCV-android-sdk/