diff --git a/poetry.lock b/poetry.lock
index 903f37a..93f7e80 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1673,13 +1673,13 @@ tests = ["coverage[toml] (==5.0.4)", "pytest (>=6.0.0,<7.0.0)"]
 
 [[package]]
 name = "pymarkdownlnt"
-version = "0.9.20"
+version = "0.9.21"
 description = "A GitHub Flavored Markdown compliant Markdown linter."
 optional = false
 python-versions = ">=3.8.0"
 files = [
-    {file = "pymarkdownlnt-0.9.20-py3-none-any.whl", hash = "sha256:d9cd2db8e79dce67396236b7cdbaebe788bc8a07f95af9731433d353a91fe3d9"},
-    {file = "pymarkdownlnt-0.9.20.tar.gz", hash = "sha256:75e3792e066c3ba53d71c2ef9b411cb3e429ad5d612ad02607f3c1ad120c5abc"},
+    {file = "pymarkdownlnt-0.9.21-py3-none-any.whl", hash = "sha256:5efc4092898469c92cdc33686c356f3d94afb99aca09addf79119ba58959f350"},
+    {file = "pymarkdownlnt-0.9.21.tar.gz", hash = "sha256:f30f231f1fa36d98d646c7d2bedf2e8f3696a78b5e420d7a40a0d2f1c9159c0a"},
 ]
 
 [package.dependencies]
diff --git a/requirements-dev.txt b/requirements-dev.txt
index b9b89c0..640786f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -75,7 +75,7 @@ pyfakefs==5.5.0 ; python_version >= "3.9" and python_version < "4.0"
 pygithub==2.3.0 ; python_version >= "3.9" and python_version < "4.0"
 pygments==2.18.0 ; python_version >= "3.9" and python_version < "4.0"
 pyjwt[crypto]==2.8.0 ; python_version >= "3.9" and python_version < "4.0"
-pymarkdownlnt==0.9.20 ; python_version >= "3.9" and python_version < "4.0"
+pymarkdownlnt==0.9.21 ; python_version >= "3.9" and python_version < "4.0"
 pymdown-extensions==10.8.1 ; python_version >= "3.9" and python_version < "4.0"
 pynacl==1.5.0 ; python_version >= "3.9" and python_version < "4.0"
 pytest-asyncio==0.23.7 ; python_version >= "3.9" and python_version < "4.0"