diff --git a/CMakeLists.txt b/CMakeLists.txt
index 650425b..4793d23 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -91,7 +91,7 @@ find_package(OpenCV 2.4.5 REQUIRED)
 if(IOS)
   file(GLOB OPENCV_IOS_LIBS "${OpenCV_DIR}/../../lib/*.a")
   list(APPEND BR_THIRDPARTY_LIBS ${OPENCV_IOS_LIBS})
-  list(APPEND BR_THIRDPARTY_LIBS "-framework Foundation -framework UIKit -lc++")
+  list(APPEND BR_THIRDPARTY_LIBS "-framework Foundation -framework UIKit -framework Security -lc++")
 else()
   set(OPENCV_DEPENDENCIES opencv_core opencv_highgui opencv_imgproc opencv_ml)
   set(BR_THIRDPARTY_LIBS ${BR_THIRDPARTY_LIBS} ${OPENCV_DEPENDENCIES})