diff --git a/requirements.txt b/requirements.txt
index a529ed2..372db51 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ geopandas==0.9.0
 networkx==2.5.1
 igraph==0.9.8
 scipy==1.5.4
-ujson==5.1.0
+ujson==5.4.0
 numpy==1.21.0
 bs4==0.0.1
 pandas==1.1.5