diff --git a/projects/imdbwiki-challenge/chainer/requirements.txt b/projects/imdbwiki-challenge/chainer/requirements.txt
index d0d578b..f556257 100644
--- a/projects/imdbwiki-challenge/chainer/requirements.txt
+++ b/projects/imdbwiki-challenge/chainer/requirements.txt
@@ -1,4 +1,4 @@
 matplotlib==2.1.0
-numpy==1.11.0
+numpy==1.21.0
 scipy==1.0.0
 chainer==4.0.0rc1