diff --git a/README.md b/README.md
index dfa94d5..645fe86 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # Cagebreak: A Wayland Tiling Compositor Inspired by Ratpoison
 
+[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/6532/badge)](https://bestpractices.coreinfrastructure.org/projects/6532)
+
 [![Packaging status](https://repology.org/badge/tiny-repos/cagebreak.svg)](https://repology.org/project/cagebreak/versions)
 
 [![AUR package](https://repology.org/badge/version-for-repo/aur/cagebreak.svg?minversion=2.0.0)](https://repology.org/project/cagebreak/versions)