diff --git a/requirements.txt b/requirements.txt
index a2d1d0b..3e18cf8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -81,7 +81,7 @@ tornado==5.1.1
 tqdm==4.31.1
 traitlets==4.3.2
 tweepy==3.7.0
-ujson==1.35
+ujson==5.4.0
 urllib3>=1.24.2
 vader-sentiment==3.2.1.1
 visdom==0.1.8.8