diff --git a/requirements.txt b/requirements.txt
index eb5219b..b85d6fe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 scancode-toolkit
 typecode_libmagic
 XlsxWriter
-fosslight_util>=1.3.3
+fosslight_util>=1.3.4
 PyYAML