diff --git a/requirements.txt b/requirements.txt
index b6286b4..c84145e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ matplotlib==1.3.1
 mechanize==0.2.5
 mock==1.0.1
 nltk==2.0.4
-numpy==1.7.1
+numpy==1.21.0
 openpyxl==1.7.0
 pandas==0.11.0
 patsy==0.2.1