diff --git a/otp.nimble b/otp.nimble
index 19d8e25..8ae9222 100644
--- a/otp.nimble
+++ b/otp.nimble
@@ -1,11 +1,11 @@
 [Package]
 name          = "OTP"
-version       = "0.2.0"
+version       = "0.2.1"
 author        = "Huy Doan"
 description   = "One Time Password library for Nim"
 license       = "MIT"
 
 [Deps]
-Requires: "nim >= 2.0.0"
+Requires: "nim >= 1.6.10"
 Requires: "hmac >= 0.3.0"
 Requires: "base32"