diff --git a/requirements-test.txt b/requirements-test.txt
index eaf0551f5..fe3f3b526 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -249,7 +249,7 @@ lxml==5.3.0
     #   feedgen
     #   lxml-html-clean
     #   pikepdf
-lxml-html-clean==0.2.2
+lxml-html-clean==0.4.2
     # via lxml
 markdown==3.7
     # via
diff --git a/requirements.txt b/requirements.txt
index 88ce2cd70..42961de62 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -207,7 +207,7 @@ lxml==5.3.0
     #   feedgen
     #   lxml-html-clean
     #   pikepdf
-lxml-html-clean==0.2.2
+lxml-html-clean==0.4.2
     # via lxml
 markdown==3.7
     # via