diff --git a/TODO.md b/TODO.md
index dcbd9ee..b527623 100644
--- a/TODO.md
+++ b/TODO.md
@@ -2,8 +2,8 @@
 
 - Improvement of path matcher
 - More flexible option for rewriting path
-- Smaller footprint of docker image using musl
 - Refactoring
+- Unit tests
 - Options to serve custom http_error page.
 - Prometheus metrics
 - Documentation