diff --git a/Cargo.lock b/Cargo.lock
index 9369ce0884..5c07f4b39e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -407,7 +407,7 @@ dependencies = [
 
 [[package]]
 name = "client-core"
-version = "0.8.0-dev"
+version = "0.9.0-dev"
 dependencies = [
  "config",
  "crypto",
diff --git a/clients/client-core/Cargo.toml b/clients/client-core/Cargo.toml
index ed803f3db8..2c2a962773 100644
--- a/clients/client-core/Cargo.toml
+++ b/clients/client-core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "client-core"
-version = "0.8.0-dev"
+version = "0.9.0-dev"
 authors = ["Dave Hrycyszyn <futurechimp@users.noreply.github.com>"]
 edition = "2018"