diff --git a/pyproject.toml b/pyproject.toml
index ecd089f..57ecdd8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ docs = [
     "mkdocs-autorefs>=1.0.0",
     "mkdocs-open-in-new-tab>=1.0.0",
     "mkdocstrings[python]>=0.24.0",
-    "pymdown-extensions>=10.0.0",
+    "pymdown-extensions>=10.21.3",
 ]
 
 [project.urls]
@@ -79,7 +79,7 @@ dev = [
     "mkdocs-autorefs>=1.0.0",
     "mkdocs-open-in-new-tab>=1.0.0",
     "mkdocstrings[python]>=0.24.0",
-    "pymdown-extensions>=10.0.0",
+    "pymdown-extensions>=10.21.3",
 ]
 
 [tool.pytest.ini_options]
diff --git a/uv.lock b/uv.lock
index 8a71b5e..c935ad0 100644
--- a/uv.lock
+++ b/uv.lock
@@ -385,7 +385,7 @@ requires-dist = [
     { name = "mkdocstrings", extras = ["python"], marker = "extra == 'docs'", specifier = ">=0.24.0" },
     { name = "mypy", marker = "extra == 'dev'", specifier = ">=1.0.0" },
     { name = "pydantic", specifier = ">=2.0.0" },
-    { name = "pymdown-extensions", marker = "extra == 'docs'", specifier = ">=10.0.0" },
+    { name = "pymdown-extensions", marker = "extra == 'docs'", specifier = ">=10.21.3" },
     { name = "pytest", marker = "extra == 'dev'", specifier = ">=7.0.0" },
     { name = "pytest-asyncio", marker = "extra == 'dev'", specifier = ">=0.21.0" },
     { name = "pytest-cov", marker = "extra == 'dev'", specifier = ">=4.0.0" },
@@ -403,7 +403,7 @@ dev = [
     { name = "mkdocs-open-in-new-tab", specifier = ">=1.0.0" },
     { name = "mkdocstrings", extras = ["python"], specifier = ">=0.24.0" },
     { name = "mypy", specifier = ">=1.0.0" },
-    { name = "pymdown-extensions", specifier = ">=10.0.0" },
+    { name = "pymdown-extensions", specifier = ">=10.21.3" },
     { name = "pytest", specifier = ">=7.0.0" },
     { name = "pytest-asyncio", specifier = ">=0.21.0" },
     { name = "pytest-cov", specifier = ">=4.0.0" },
@@ -1130,15 +1130,15 @@ wheels = [
 
 [[package]]
 name = "pymdown-extensions"
-version = "10.21"
+version = "10.21.3"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "markdown" },
     { name = "pyyaml" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/ba/63/06673d1eb6d8f83c0ea1f677d770e12565fb516928b4109c9e2055656a9e/pymdown_extensions-10.21.tar.gz", hash = "sha256:39f4a020f40773f6b2ff31d2cd2546c2c04d0a6498c31d9c688d2be07e1767d5", size = 853363, upload-time = "2026-02-15T20:44:06.748Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/9e/26/d1015444da4d952a1ca487a236b522eb979766f0295a0bd0c5fc089989a9/pymdown_extensions-10.21.3.tar.gz", hash = "sha256:72cfcf55f07aea0d4af2c4f11dd4e52466ddfb1bb819673146398e0bd3a77354", size = 854140, upload-time = "2026-05-13T12:57:32.267Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/6f/2c/5b079febdc65e1c3fb2729bf958d18b45be7113828528e8a0b5850dd819a/pymdown_extensions-10.21-py3-none-any.whl", hash = "sha256:91b879f9f864d49794c2d9534372b10150e6141096c3908a455e45ca72ad9d3f", size = 268877, upload-time = "2026-02-15T20:44:05.464Z" },
+    { url = "https://files.pythonhosted.org/packages/7e/85/545a951eecc270fcd688288c600017e2050a1aacb56c711d208586d3e470/pymdown_extensions-10.21.3-py3-none-any.whl", hash = "sha256:d7a5d08014fc571e80ca21dd6f854e31f94c489800350564d55d15b3c41e76b6", size = 269002, upload-time = "2026-05-13T12:57:30.296Z" },
 ]
 
 [[package]]