diff --git a/architectures/chainer/requirements.txt b/architectures/chainer/requirements.txt
index 7ee15c2..86bed42 100644
--- a/architectures/chainer/requirements.txt
+++ b/architectures/chainer/requirements.txt
@@ -7,7 +7,7 @@ gym==0.9.2
 h5py==2.7.0
 idna==2.5
 nose==1.3.7
-numpy==1.13.1
+numpy==1.21.0
 olefile==0.44
 Pillow==4.2.1
 protobuf==3.3.0