diff --git a/poetry.lock b/poetry.lock
index 165c1a7b..cd415d79 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -887,13 +887,13 @@ files = [
 
 [[package]]
 name = "mdit-py-plugins"
-version = "0.4.0"
+version = "0.4.1"
 description = "Collection of plugins for markdown-it-py"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "mdit_py_plugins-0.4.0-py3-none-any.whl", hash = "sha256:b51b3bb70691f57f974e257e367107857a93b36f322a9e6d44ca5bf28ec2def9"},
-    {file = "mdit_py_plugins-0.4.0.tar.gz", hash = "sha256:d8ab27e9aed6c38aa716819fedfde15ca275715955f8a185a8e1cf90fb1d2c1b"},
+    {file = "mdit_py_plugins-0.4.1-py3-none-any.whl", hash = "sha256:1020dfe4e6bfc2c79fb49ae4e3f5b297f5ccd20f010187acc52af2921e27dc6a"},
+    {file = "mdit_py_plugins-0.4.1.tar.gz", hash = "sha256:834b8ac23d1cd60cec703646ffd22ae97b7955a6d596eb1d304be1e251ae499c"},
 ]
 
 [package.dependencies]
@@ -1058,22 +1058,22 @@ files = [
 
 [[package]]
 name = "myst-parser"
-version = "3.0.1"
+version = "4.0.0"
 description = "An extended [CommonMark](https://spec.commonmark.org/) compliant parser,"
 optional = false
-python-versions = ">=3.8"
+python-versions = ">=3.10"
 files = [
-    {file = "myst_parser-3.0.1-py3-none-any.whl", hash = "sha256:6457aaa33a5d474aca678b8ead9b3dc298e89c68e67012e73146ea6fd54babf1"},
-    {file = "myst_parser-3.0.1.tar.gz", hash = "sha256:88f0cb406cb363b077d176b51c476f62d60604d68a8dcdf4832e080441301a87"},
+    {file = "myst_parser-4.0.0-py3-none-any.whl", hash = "sha256:b9317997552424448c6096c2558872fdb6f81d3ecb3a40ce84a7518798f3f28d"},
+    {file = "myst_parser-4.0.0.tar.gz", hash = "sha256:851c9dfb44e36e56d15d05e72f02b80da21a9e0d07cba96baf5e2d476bb91531"},
 ]
 
 [package.dependencies]
-docutils = ">=0.18,<0.22"
+docutils = ">=0.19,<0.22"
 jinja2 = "*"
 markdown-it-py = ">=3.0,<4.0"
-mdit-py-plugins = ">=0.4,<1.0"
+mdit-py-plugins = ">=0.4.1,<1.0"
 pyyaml = "*"
-sphinx = ">=6,<8"
+sphinx = ">=7,<9"
 
 [package.extras]
 code-style = ["pre-commit (>=3.0,<4.0)"]
@@ -2007,4 +2007,4 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "ec9b0dbf8e322c527d099e5c0a4bd47d2a69d7ae66b8459b3bdf3321c56dc9e4"
+content-hash = "5d9469ebe9832a2213215e5a5684134afad66b97876c7b10f6a8f282cd40ce92"
diff --git a/pyproject.toml b/pyproject.toml
index 70fae30a..18779f16 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -100,7 +100,7 @@ yamllint = "^1.28.0"
 
 [tool.poetry.group.docs.dependencies]
 Sphinx = ">=5.0.1,<8.0.0"
-myst-parser = ">=0.18,<3.1"
+myst-parser = ">=0.18,<4.1"
 
 [tool.poetry.urls]
 "Bug Tracker" = "https://github.com/bachya/simplipy/issues"