diff --git a/requirements.txt b/requirements.txt
index 2ba4e51..455d23f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 lxml==3.6.4
 beautifulsoup4==4.5.1
-numpy==1.11.1
+numpy==1.21.0
 pandas==0.19.2
 matplotlib==1.5.3
 plotly==2.0.0