diff --git a/Cargo.toml b/Cargo.toml
index 0c06a59cc..3ce0b3110 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ members = [
 ]
 
 [workspace.package]
-version = "14.0.0"
+version = "15.0.0-dev0"
 license = "MIT OR Apache-2.0"
 edition = "2021"
 repository = "https://github.com/filecoin-project/builtin-actors"