diff --git a/requirements.txt b/requirements.txt
index 5253a3e8..8ae1dc54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ docker-py==1.10.6
 subprocess32==3.5.4
 
 
-numpy==1.16.3
+numpy==1.21.1
 
 
 # zkutil