diff --git a/README.md b/README.md
index 8d52a3e..96a3009 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,5 @@
 # texalib
+
+[![CodeFactor](https://www.codefactor.io/repository/github/texaproject/texalib/badge)](https://www.codefactor.io/repository/github/texaproject/texalib)
+
 Math library supporting the texa web repo.