diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4e3f0032..d5703899 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -26,7 +26,7 @@ autopep8==2.3.2
 pre-commit==4.5.1
 
 # HTML changelogs
-mistune==3.3.0
+mistune==3.3.3
 
 # Packaging
 # We only need py2exe on windows.