diff --git a/requirements.txt b/requirements.txt
index 8d2c392d..57edb50d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.18.0
+numpy==1.19.4
 pandas>=0.25.1
 scipy>=1.5.2
 histogrammar>=1.0.12