diff --git a/requirements.txt b/requirements.txt
index 311a417..6431ff5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,9 +43,11 @@ pexpect==4.8.0
 pickleshare==0.7.5
 Pillow==8.2.0
 Pint==0.16.1
+pip-licenses==3.3.1
 pipdeptree==1.0.0
 pluggy==0.13.1
 prompt-toolkit==3.0.7
+PTable==0.9.2
 ptyprocess==0.6.0
 py==1.9.0
 pycparser==2.20