diff --git a/Cargo.lock b/Cargo.lock
index 6a3659a7752..951c913cbde 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -428,7 +428,7 @@ dependencies = [
 
 [[package]]
 name = "client-core"
-version = "0.8.0-dev"
+version = "0.9.0-dev"
 dependencies = [
  "built",
  "config",
diff --git a/clients/client-core/Cargo.toml b/clients/client-core/Cargo.toml
index e27d6b8057b..c995856377b 100644
--- a/clients/client-core/Cargo.toml
+++ b/clients/client-core/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 build = "build.rs"
 name = "client-core"
-version = "0.8.0-dev"
+version = "0.9.0-dev"
 authors = ["Dave Hrycyszyn <futurechimp@users.noreply.github.com>"]
 edition = "2018"