diff --git a/requirements.txt b/requirements.txt
index 39562f9..299aee5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ lxml==4.5.1
 Markdown==3.2.2
 matplotlib==3.0.3
 networkx==2.3
-numpy==1.18.4
+numpy==1.22.0
 opt-einsum==3.2.1
 pandas==0.24.2
 Pillow==7.1.2