diff --git a/nre.nimble b/nre.nimble
index ece766b..9d3bfa8 100644
--- a/nre.nimble
+++ b/nre.nimble
@@ -8,4 +8,3 @@ srcDir      = "src"
 
 [Deps]
 Requires: "nim >= 0.11.2"
-Requires: "optional_t >= 1.2.0"