diff --git a/REQUIREMENTS b/REQUIREMENTS
index 6bd74c7..010527d 100644
--- a/REQUIREMENTS
+++ b/REQUIREMENTS
@@ -148,3 +148,4 @@ xlrd==2.0.1
 xlsxwriter==3.0.1; python_version >= '3.4'
 yara-python==3.8.1
 yarl==1.6.3; python_version >= '3.6'
+ndjson==0.3.1