diff --git a/setup.py b/setup.py
index 88d6612..c73f475 100755
--- a/setup.py
+++ b/setup.py
@@ -61,7 +61,7 @@ setup(
         'msgspec',
 
         # debug mode REPL
-        'pdbpp',
+        'pdbp',
 
         # pip ref docs on these specs:
         # https://pip.pypa.io/en/stable/reference/requirement-specifiers/#examples