diff --git a/ocr_api/requirements.txt b/ocr_api/requirements.txt
index 6120e04..9f9eadb 100644
--- a/ocr_api/requirements.txt
+++ b/ocr_api/requirements.txt
@@ -1,7 +1,7 @@
 easydict==1.7
 tensorflow_gpu==1.3.0
 scipy==0.18.1
-numpy==1.11.1
+numpy==1.21.0
 opencv_python==3.4.0.12
 Cython==0.27.3
 Pillow==5.0.0