diff --git a/requirements.txt b/requirements.txt
index b98cab3..2d13b37 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ joblib==0.16.0
 mathparse==0.1.2
 murmurhash==1.0.2
 nltk==3.5
-numpy==1.19.0
+numpy==1.22.0
 packaging==20.4
 Pint==0.14
 plac==0.9.6