diff --git a/pyproject.toml b/pyproject.toml
index 55baabe..7218bce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -77,7 +77,7 @@ docs = [
   "mkdocs==1.6.1",
   "mkdocstrings-python==2.0.3",
   "mkdocs-material==9.7.6",
-  "pymdown-extensions==10.21",
+  "pymdown-extensions==10.21.3",
   "mkdocs-gen-files==0.6.1",
   "mkdocs-literate-nav==0.6.3",
   "mkdocs-include-markdown-plugin==7.2.1",