diff --git a/requirements.txt b/requirements.txt
index 50cc06f..753fb0c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ certifi==2017.7.27.1
 chardet==3.0.4
 idna==2.6
 nltk==3.2.4
-numpy==1.13.1
+numpy==1.21.0
 oauthlib==2.0.6
 pandas==0.20.3
 python-dateutil==2.6.1