diff --git a/requirements.txt b/requirements.txt
index 70a3074..b69d18e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ mkdocs-material==9.5.30  # https://github.com/squidfunk/mkdocs-material
 mkdocs-git-revision-date-localized-plugin==1.2.6  # https://github.com/timvink/mkdocs-git-revision-date-localized-plugin
 plantuml-markdown==3.9.8  # https://github.com/mikitex70/plantuml-markdown
 mkdocs-glightbox==0.4.0  # https://github.com/blueswen/mkdocs-glightbox
-mkdocs-htmlproofer-plugin==1.2.1  # https://github.com/manuzhang/mkdocs-htmlproofer-plugin
+mkdocs-htmlproofer-plugin==1.3.0  # https://github.com/manuzhang/mkdocs-htmlproofer-plugin
 
 # development only dependency
 # if there are more dependencies in the future, consider moving them into a separate requirements file