diff --git "a/ch02-\345\256\211\350\243\205OpenCV/\346\234\200\347\256\200\345\215\225-\344\275\277\347\224\250pip\345\256\211\350\243\205opencv-python\345\222\214opencv-contrib-python/requirements_cv.txt" "b/ch02-\345\256\211\350\243\205OpenCV/\346\234\200\347\256\200\345\215\225-\344\275\277\347\224\250pip\345\256\211\350\243\205opencv-python\345\222\214opencv-contrib-python/requirements_cv.txt"
index 0bf0b8ee..67f6ed06 100644
--- "a/ch02-\345\256\211\350\243\205OpenCV/\346\234\200\347\256\200\345\215\225-\344\275\277\347\224\250pip\345\256\211\350\243\205opencv-python\345\222\214opencv-contrib-python/requirements_cv.txt"
+++ "b/ch02-\345\256\211\350\243\205OpenCV/\346\234\200\347\256\200\345\215\225-\344\275\277\347\224\250pip\345\256\211\350\243\205opencv-python\345\222\214opencv-contrib-python/requirements_cv.txt"
@@ -2,7 +2,7 @@ cycler==0.10.0
 kiwisolver==1.1.0
 matplotlib==3.1.1
 numpy==1.17.4
-opencv-python==4.1.1.26
+opencv-python==4.2.0.32
 pyparsing==2.4.5
 python-dateutil==2.8.1
 six==1.13.0