diff --git a/poetry.lock b/poetry.lock
index f1d0b8d..182b22d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1334,13 +1334,13 @@ tests = ["coverage[toml] (==5.0.4)", "pytest (>=6.0.0,<7.0.0)"]
 
 [[package]]
 name = "pymarkdownlnt"
-version = "0.9.18"
+version = "0.9.20"
 description = "A GitHub Flavored Markdown compliant Markdown linter."
 optional = false
 python-versions = ">=3.8.0"
 files = [
-    {file = "pymarkdownlnt-0.9.18-py3-none-any.whl", hash = "sha256:2903541fe9d84eca6176d187d5c99eb7ddb02f180d66577e9b73797a4f06a649"},
-    {file = "pymarkdownlnt-0.9.18.tar.gz", hash = "sha256:ed854f0d7d7cef0e8fd5d825d21dc26e6cb1482f0073a323f5202f738a1cda6e"},
+    {file = "pymarkdownlnt-0.9.20-py3-none-any.whl", hash = "sha256:d9cd2db8e79dce67396236b7cdbaebe788bc8a07f95af9731433d353a91fe3d9"},
+    {file = "pymarkdownlnt-0.9.20.tar.gz", hash = "sha256:75e3792e066c3ba53d71c2ef9b411cb3e429ad5d612ad02607f3c1ad120c5abc"},
 ]
 
 [package.dependencies]
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 3e4442a..72eeb03 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -54,7 +54,7 @@ pyfakefs==5.4.1 ; python_version >= "3.9" and python_version < "4.0"
 pygithub==2.2.0 ; python_version >= "3.9" and python_version < "4.0"
 pygments==2.17.2 ; python_version >= "3.9" and python_version < "4.0"
 pyjwt[crypto]==2.8.0 ; python_version >= "3.9" and python_version < "4.0"
-pymarkdownlnt==0.9.18 ; python_version >= "3.9" and python_version < "4.0"
+pymarkdownlnt==0.9.20 ; python_version >= "3.9" and python_version < "4.0"
 pynacl==1.5.0 ; python_version >= "3.9" and python_version < "4.0"
 pytest-asyncio==0.21.1 ; python_version >= "3.9" and python_version < "4.0"
 pytest-cov==5.0.0 ; python_version >= "3.9" and python_version < "4.0"