diff --git a/requirements.txt b/requirements.txt
index 7f9f5e6..f9dc8d2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 networkx==1.8.1
-numpy==1.8.0
+numpy==1.21.0
 pandas==0.13.1
 scipy==0.13.3