diff --git a/backend/etl_service/requirements.txt b/backend/etl_service/requirements.txt
index f2e1641..e2b70c2 100644
--- a/backend/etl_service/requirements.txt
+++ b/backend/etl_service/requirements.txt
@@ -74,7 +74,7 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.4
 tornado==5.0.2
-ujson==2.0.1
+ujson==5.4.0
 uritemplate==3.0.1
 uritemplate.py==3.0.2
 urllib3==1.24.3