diff --git a/requirements.txt b/requirements.txt
index e98310e6..3c043066 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,6 @@ Pygments~=2.17.2
 pytz~=2024.1
 PyYAML~=6.0.1
 pillow~=10.0.0
-pdm~=
 pdm-backend~=2.3.3
 starlette~=0.36.3
 toml~=0.10.2