diff --git a/requirements.txt b/requirements.txt
index 3760a50..80597bc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ six==1.16.0
 snowballstemmer==2.0.0
 SQLAlchemy==1.4.15
 toml==0.10.2
-ujson==4.0.2
+ujson==5.1.0
 urllib3==1.26.5
 virtualenv==20.4.6
 waitress==1.4.4