diff --git a/requirements.txt b/requirements.txt
index 3145d5c..19e0b48 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -65,7 +65,7 @@ termstyle==0.1.11
 thinc==6.12.0
 toolz==0.9.0
 tqdm==4.23.1
-ujson==1.35
+ujson==5.2.0
 Unidecode==1.0.22
 urllib3==1.22
 wcwidth==0.1.7