diff --git a/requirements.txt b/requirements.txt
index f7075a6..eb99291 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.16.5
+numpy==1.22.0
 pandas==0.25.1
 gurobi==8.1.1
 pulp==1.6.1