diff --git a/Cargo.toml b/Cargo.toml
index a1578a2..d2c068f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "crc"
-version = "3.1.0"
+version = "v3.1.0-beta.2"
 authors = [
     "Rui Hu <code@mrhooray.com>",
     "Akhil Velagapudi <4@4khil.com>"