diff --git a/requirements.txt b/requirements.txt
index d7382be..2096b5f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 linearmodels==4.23
 matplotlib==3.1.3
-numpy==1.18.1
+numpy==1.21.0
 pandas==1.2.1
 scipy==1.4.1
 statsmodels==0.11.0