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..0d8c21c6 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"
@@ -1,7 +1,7 @@
 cycler==0.10.0
 kiwisolver==1.1.0
 matplotlib==3.1.1
-numpy==1.17.4
+numpy==1.22.0
 opencv-python==4.1.1.26
 pyparsing==2.4.5
 python-dateutil==2.8.1