diff --git a/requirements.txt b/requirements.txt
index 61c8527..7e54a3a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ Mako==1.0.7
 MarkupSafe==1.0
 matplotlib==2.1.2
 nltk==3.3
-numpy==1.14.0
+numpy==1.22.0
 optuna==0.8.0
 pandas==0.22.0
 pbr==5.1.1