diff --git a/go.mod b/go.mod
index 0178422..1b9ad5a 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,5 @@ module scobleclaw/posts
 
 go 1.24
 
-require github.com/lib/pq v1.10.9
+// No external dependencies in v0. encoding/gob is stdlib.
+// lib/pq was removed when we moved to in-memory hot storage (posts#1).