diff --git a/scripts/generate_changelog.py b/scripts/generate_changelog.py
index a3ee04a4..7e3ae428 100755
--- a/scripts/generate_changelog.py
+++ b/scripts/generate_changelog.py
@@ -5,6 +5,8 @@ Summarizes recent PRs based on their GitHub labels.
 
 The result can be copy-pasted into CHANGELOG.md,
 though it often needs some manual editing too.
+
+Setup:  pip install GitPython requests tqdm
 """
 
 import argparse