diff --git a/requirements-dev.txt b/requirements-dev.txt
index 94e6636..7319b3a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -18,7 +18,7 @@
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/IM.git;a=blob_plain;f=requirements.txt;hb=master
     #   pyangbind
-lxml==5.3.0
+lxml==5.3.1
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/IM.git;a=blob_plain;f=requirements.txt;hb=master
     #   pyang