diff --git a/requirements.txt b/requirements.txt
index 9ebb465..4a730fe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ nbconvert==4.1.0
 nbformat==4.0.1
 nltk==3.2.2
 notebook==4.0.6
-numpy==1.12.1
+numpy==1.21.0
 path.py==8.1.2
 pexpect==4.0.1
 pickleshare==0.5