diff --git a/.gitignore b/.gitignore
index 3d69c04..a9661ec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
-/target
+/target/
+/tonic-examples/target/
 **/*.rs.bk
 Cargo.lock
 tags
diff --git a/tonic-interop/Cargo.toml b/tonic-interop/Cargo.toml
index 5ede3a3..8fed51e 100644
--- a/tonic-interop/Cargo.toml
+++ b/tonic-interop/Cargo.toml
@@ -23,7 +23,7 @@ futures-core-preview = "=0.3.0-alpha.19"
 futures-util-preview = "=0.3.0-alpha.19"
 async-stream = "0.1.2"
 tower = "=0.3.0-alpha.2"
-http-body = "=0.2.0-alpha.2"
+http-body = "=0.2.0-alpha.3"
 
 console = "0.7"
 structopt = "0.2"
diff --git a/tonic/Cargo.toml b/tonic/Cargo.toml
index e865b06..4e77551 100644
--- a/tonic/Cargo.toml
+++ b/tonic/Cargo.toml
@@ -49,7 +49,7 @@ percent-encoding = "1.0.1"
 tower-service = "=0.3.0-alpha.2"
 tokio-codec = "=0.2.0-alpha.6"
 async-stream = "0.1.2"
-http-body = "=0.2.0-alpha.2"
+http-body = "=0.2.0-alpha.3"
 pin-project = "^0.4"
 
 # prost
@@ -60,7 +60,7 @@ prost-derive = { version = "0.5", optional = true }
 async-trait = { version = "0.1.13", optional = true }
 
 # transport
-hyper = { version = "=0.13.0-alpha.3", features = ["unstable-stream"], optional = true }
+hyper = { version = "=0.13.0-alpha.4", features = ["unstable-stream"], optional = true }
 tokio = { version = "=0.2.0-alpha.6", default-features = false, features = ["tcp"], optional = true }
 tower = { version = "=0.3.0-alpha.2", optional = true}
 tower-make = "=0.3.0-alpha.2a"