diff --git a/requirements.txt b/requirements.txt
index 5dbd11d..030a419 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -71,7 +71,7 @@ mpmath==1.1.0
 nbconvert==5.6.1
 nbformat==5.0.4
 notebook==6.0.3
-numpy==1.17.3
+numpy==1.22.0
 opt-einsum==3.1.0
 optuna==1.2.0
 pandas==1.0.3