diff --git a/.gitignore b/.gitignore
index 07f6811..bf965af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,8 @@
 # Ignore builds
 build/*
-!build/.keep
 demo/bin/*
+!build/.keep
+*.o
 
 # Ignore documentation
 doc/*