diff --git a/requirements-docs.txt b/requirements-docs.txt
index 1039b18018..55fc005e44 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -1,6 +1,6 @@
 mkdocs==1.3.0
 mkdocs-material==8.2.12
-pymdown-extensions==9.3
+pymdown-extensions==9.4
 mike==1.1.2
 mkdocs-simple-hooks==0.1.5
 mkdocs-git-revision-date-plugin==0.3.2