diff --git a/requirements.txt b/requirements.txt
index 241a415..e481dc0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ plantuml-markdown==3.9.2
 markdown_inline_graphviz_extension==1.1.1
 mdx_truly_sane_lists==1.3
 pygments==2.16.1
-pymdown-extensions==10.0.1
+pymdown-extensions==10.4
 
 # The following are temporary dependencies that are only necessary to work
 # around incompatible/conflicting underlying dependencies. Each dependency