diff --git a/requirements-dev.txt b/requirements-dev.txt
index 528003f3..b3e2d17b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -27,7 +27,7 @@ autopep8==2.3.2
 pre-commit==4.2.0
 
 # HTML changelogs
-mistune==3.1.1
+mistune==3.1.3
 
 # Packaging
 # We only need py2exe on windows.