diff --git a/requirements.txt b/requirements.txt
index e965047..0753962 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -67,7 +67,7 @@ matplotlib>=3.5.1
 #########################################
 #cupy>=11.0.0
 #numba==0.52.0
-numpy>=1.24.1
+numpy==1.22.0
 pandas>=1.3.5
 scipy>=1.9.3
 sklearn>=0.0.post1