diff --git a/evaluation/property-suggester-scripts/requirements.txt b/evaluation/property-suggester-scripts/requirements.txt
index 9c69cf1..50d542c 100644
--- a/evaluation/property-suggester-scripts/requirements.txt
+++ b/evaluation/property-suggester-scripts/requirements.txt
@@ -1 +1 @@
-ujson==1.33
+ujson==5.4.0