diff --git a/requirements.txt b/requirements.txt
index 6e98172..fac6b3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -205,7 +205,7 @@ tqdm==4.19.9
 traitlets==4.3.2
 twitter==1.17.1
 typing==3.6.4
-ujson==1.35
+ujson==5.4.0
 unicodecsv==0.14.1
 Unidecode==1.0.22
 urllib3==1.22