diff --git a/setup/requirements.txt b/setup/requirements.txt
index 9bfdec7..151db36 100644
--- a/setup/requirements.txt
+++ b/setup/requirements.txt
@@ -12,7 +12,7 @@ ripe.atlas.cousteau==1.4
 ripe.atlas.sagan==1.1.11
 six==1.11.0
 socketIO-client==0.7.0
-ujson==1.35
+ujson==5.4.0
 websocket-client==0.37.0
 fuzzywuzzy[speedup]==0.16.0
 netaddr==0.7.19