diff --git a/requirements.txt b/requirements.txt
index 6141b35..61b9dca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,4 +13,4 @@ pyarrow==0.17.1
 spacy==2.1.3
 spacy-readability==1.4.1
 ssdeep==3.3
-ujson==1.35
+ujson==5.2.0