diff --git a/september.plan b/september.plan
index efaab00de6..77448dfbf7 100644
--- a/september.plan
+++ b/september.plan
@@ -30,4 +30,5 @@
 - optimize the parser (reduce map lookups)
 - prebuilt binaries for all platforms
 - cache vlib (right now it's re-compiled every time)
+- fix interfaces