diff --git a/requirements.txt b/requirements.txt
index 8b057be..95ac125 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,7 +49,7 @@ msgpack==0.5.6
 msgpack-numpy==0.4.3.2
 murmurhash==1.0.1
 nltk==3.4.5
-numpy==1.15.4
+numpy==1.22.0
 numpydoc==0.8.0
 overrides==1.9
 packaging==18.0