diff --git a/README.md b/README.md
index 271213d..7b6089b 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ arguments to tarpc fns.
 Add to your `Cargo.toml` dependencies:
 
 ```toml
-tarpc = "0.14.0"
+tarpc = "0.15.0"
 ```
 
 The `service!` macro expands to a collection of items that form an
diff --git a/bincode-transport/Cargo.toml b/bincode-transport/Cargo.toml
index 4cb9bd7..83d8931 100644
--- a/bincode-transport/Cargo.toml
+++ b/bincode-transport/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tarpc-bincode-transport"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["Tim Kuehn <tikue@google.com>"]
 edition = '2018'
 license = "MIT"
@@ -16,7 +16,7 @@ description = "A bincode-based transport for tarpc services."
 bincode = { version = "1.0", features = ["i128"] }
 futures_legacy = { version = "0.1", package = "futures" }
 pin-utils = "0.1.0-alpha.4"
-rpc = { package = "tarpc-lib", version = "0.2", path = "../rpc", features = ["serde1"] }
+rpc = { package = "tarpc-lib", version = "0.3", path = "../rpc", features = ["serde1"] }
 serde = "1.0"
 tokio-io = "0.1"
 async-bincode = "0.4"
diff --git a/example-service/Cargo.toml b/example-service/Cargo.toml
index 8e16657..92fc4f9 100644
--- a/example-service/Cargo.toml
+++ b/example-service/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tarpc-example-service"
-version = "0.2.0"
+version = "0.3.0"
 authors = ["Tim Kuehn <tikue@google.com>"]
 edition = "2018"
 license = "MIT"
@@ -13,11 +13,11 @@ readme = "../README.md"
 description = "An example server built on tarpc."
 
 [dependencies]
-bincode-transport = { package = "tarpc-bincode-transport", version = "0.3", path = "../bincode-transport" }
+bincode-transport = { package = "tarpc-bincode-transport", version = "0.4", path = "../bincode-transport" }
 clap = "2.0"
 futures-preview = { version = "0.3.0-alpha.13", features = ["compat"] }
 serde = { version = "1.0" }
-tarpc = { version = "0.14", path = "../tarpc", features = ["serde1"] }
+tarpc = { version = "0.15", path = "../tarpc", features = ["serde1"] }
 tokio = "0.1"
 tokio-executor = "0.1"
 
diff --git a/plugins/Cargo.toml b/plugins/Cargo.toml
index 2289a0a..a7fd78c 100644
--- a/plugins/Cargo.toml
+++ b/plugins/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tarpc-plugins"
-version = "0.5.0"
+version = "0.5.1"
 authors = ["Adam Wright <adam.austin.wright@gmail.com>", "Tim Kuehn <timothy.j.kuehn@gmail.com>"]
 license = "MIT"
 documentation = "https://docs.rs/tarpc-plugins"
diff --git a/rpc/Cargo.toml b/rpc/Cargo.toml
index 777c863..2c4f568 100644
--- a/rpc/Cargo.toml
+++ b/rpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tarpc-lib"
-version = "0.2.0"
+version = "0.3.0"
 authors = ["Tim Kuehn <tikue@google.com>"]
 edition = '2018'
 license = "MIT"
@@ -23,7 +23,7 @@ log = "0.4"
 pin-utils = "0.1.0-alpha.4"
 rand = "0.6"
 tokio-timer = "0.2"
-trace = { package = "tarpc-trace", version = "0.1", path = "../trace" }
+trace = { package = "tarpc-trace", version = "0.2", path = "../trace" }
 serde = { optional = true, version = "1.0" }
 
 [target.'cfg(not(test))'.dependencies]
diff --git a/tarpc/Cargo.toml b/tarpc/Cargo.toml
index 6d04f23..416ab86 100644
--- a/tarpc/Cargo.toml
+++ b/tarpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tarpc"
-version = "0.14.1"
+version = "0.15.0"
 authors = ["Adam Wright <adam.austin.wright@gmail.com>", "Tim Kuehn <timothy.j.kuehn@gmail.com>"]
 edition = "2018"
 license = "MIT"
@@ -22,7 +22,7 @@ travis-ci = { repository = "google/tarpc" }
 log = "0.4"
 serde = { optional = true, version = "1.0" }
 tarpc-plugins = { path = "../plugins", version = "0.5.0" }
-rpc = { package = "tarpc-lib", path = "../rpc", version = "0.2" }
+rpc = { package = "tarpc-lib", path = "../rpc", version = "0.3" }
 
 [target.'cfg(not(test))'.dependencies]
 futures-preview = "0.3.0-alpha.13"
@@ -32,7 +32,7 @@ bincode = "1.0"
 bytes = { version = "0.4", features = ["serde"] }
 humantime = "1.0"
 futures-preview = { version = "0.3.0-alpha.13", features = ["compat"] }
-bincode-transport = { package = "tarpc-bincode-transport", version = "0.3", path = "../bincode-transport" }
+bincode-transport = { package = "tarpc-bincode-transport", version = "0.4", path = "../bincode-transport" }
 env_logger = "0.6"
 libtest = "0.0.1"
 tokio = "0.1"
diff --git a/trace/Cargo.toml b/trace/Cargo.toml
index 3cabde7..778359f 100644
--- a/trace/Cargo.toml
+++ b/trace/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tarpc-trace"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["tikue <tikue@google.com>"]
 edition = '2018'
 license = "MIT"