diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 57c6e8f1..f5382016 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -1881,6 +1881,7 @@ Makefile:
   - .mk
   filenames:
   - GNUmakefile
+  - Kbuild
   - Makefile
   - makefile
   interpreters: