diff --git a/liteyuki/version.py b/liteyuki/version.py
index 075c66d8..fc5315ca 100644
--- a/liteyuki/version.py
+++ b/liteyuki/version.py
@@ -14,7 +14,7 @@ from pdm.backend.hooks.version import SCMVersion
 
 __datetime__ = datetime.now().strftime("%Y%m%d%H%M%S")
 
-__version__ = "6.3.5"
+__version__ = "6.3.6"
 
 
 def format_version(version: SCMVersion) -> str:
diff --git a/requirements.txt b/requirements.txt
index 3c043066..e98310e6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,6 +20,7 @@ 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