diff --git a/requirements.txt b/requirements.txt
index 2153f9a..8f41c9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ MatchZoo==0.2.0
 mercurial==4.5.3
 msgpack-python==0.5.1
 nltk==3.4.5
-numpy==1.14.4
+numpy==1.22.0
 pbr==4.0.3
 protobuf==3.6.0
 pyahocorasick==1.1.8