diff --git a/04_pred_maintainance/requirements.txt b/04_pred_maintainance/requirements.txt
index c92b70ca..ae363b04 100644
--- a/04_pred_maintainance/requirements.txt
+++ b/04_pred_maintainance/requirements.txt
@@ -34,7 +34,7 @@ PyMySQL==0.7.11
 pyOpenSSL==17.0.0
 pyparsing==2.1.4
 requests==2.12.4
-numpy==1.11.3
+numpy==1.22.0
 numpydoc==0.6.0
 scikit-image==0.12.3
 scikit-learn==0.18.1