diff --git a/docs/_config.yml b/docs/_config.yml
index dedbf1ca..763e37f0 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -5,7 +5,7 @@
 # For technical reasons, this file is *NOT* reloaded automatically when you use
 # `jekyll serve`. If you change this file, please restart the server process.
 
-remote_theme             : "mmistakes/minimal-mistakes@4.20.2"
+remote_theme             : "mmistakes/minimal-mistakes@4.21.0"
 
 minimal_mistakes_skin    : "default" # "air", "aqua", "contrast", "dark", "dirt", "neon", "mint", "plum", "sunrise"