diff --git a/services/node_importance/requirements.txt b/services/node_importance/requirements.txt
index 07778c7..6432ce0 100644
--- a/services/node_importance/requirements.txt
+++ b/services/node_importance/requirements.txt
@@ -1,6 +1,6 @@
 grpcio==1.17.1
 grpcio-tools==1.17.1
 networkx==2.2
-numpy==1.15.4
+numpy==1.22.0
 protobuf==3.6.1