diff --git a/requirements-validate.txt b/requirements-validate.txt
index ab5a00e..2c9faa6 100644
--- a/requirements-validate.txt
+++ b/requirements-validate.txt
@@ -1,4 +1,4 @@
 click==5.1
 jsonschema==2.5.1
 requests==2.20.0
-ujson==1.35
+ujson==5.4.0