diff --git a/requirements.txt b/requirements.txt
index 20965f0..a1ffa33 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 tensorflow_datasets==2.0.0
 flake8==3.7.9
-ujson==2.0.2
+ujson==5.4.0
 easydict==1.9
 spacy==2.2.4
 ptvsd==4.3.2