diff --git a/requirements.txt b/requirements.txt
index 5c908d6..f027db4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 click==8.0.1
 pip-check-reqs>=2.0.1,<3
-pip-licenses==3.5.1
+pip-licenses==4.5.1
 
 flake8>=3.7.9,<4
 flake8-docstrings>=1.5.0,<2