diff --git a/poetry.lock b/poetry.lock
index 44964f3..563fff8 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1043,9 +1043,9 @@ idna = ">=2.0"
 multidict = ">=4.0"
 
 [extras]
-serve = ["PyYAML", "aiohttp"]
+serve = ["aiohttp"]
 
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8,<4.0"
-content-hash = "a5a7a83c133ad9ac077f3b610bde9f670840e36330471de63f65e0c0703e5a2f"
+content-hash = "4c60027ce2b015eebd8f7ce9f54623e291e6ddf812066267b798d13dbd97c274"
diff --git a/pyproject.toml b/pyproject.toml
index 8f53c2d..ad7bee1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,7 +54,7 @@ isort = "^5.12.0"
 ruff = "~0.1.7"
 
 [tool.poetry.extras]
-serve = ["aiohttp", "PyYAML"]
+serve = ["aiohttp"]
 
 [tool.poetry.scripts]
 pywidevine = "pywidevine.main:main"