diff --git a/doc/requirements.txt b/doc/requirements.txt
index 28ef0745a9..742d36ca67 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -7,7 +7,7 @@ pandas==1.0.3
 statsmodels==0.11.1
 scipy==1.3.1
 patsy==0.5.1
-numpy==1.19.5
+numpy==1.21.0
 plotly-geo
 python-igraph
 geopandas==0.8.1