diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2899389..9eb785d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Unreleased
 
+# Version 0.9.0 (2019-06-06)
+
+- Better buffer handling
+- Fix logic error in frame/sample size
+- Added error handling for unknown ALSA device errors 
 - Fix resuming a paused stream on Windows (wasapi).
 - Implement `default_output_format` for emscripten backend.
 
diff --git a/Cargo.toml b/Cargo.toml
index 4a91a4f..0b9dfc6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cpal"
-version = "0.8.2"
+version = "0.9.0"
 authors = ["The CPAL contributors", "Pierre Krieger <pierre.krieger1708@gmail.com>"]
 description = "Low-level cross-platform audio playing library in pure Rust."
 repository = "https://github.com/tomaka/cpal"
@@ -9,10 +9,10 @@ license = "Apache-2.0"
 keywords = ["audio", "sound"]
 
 [dependencies]
-lazy_static = "1.0"
+lazy_static = "1.3"
 
 [dev-dependencies]
-hound = "3.0"
+hound = "3.4"
 
 [target.'cfg(target_os = "windows")'.dependencies]
 winapi = { version = "0.3", features = ["audiosessiontypes", "audioclient", "coml2api", "combaseapi", "debug", "devpkey", "handleapi", "ksmedia", "mmdeviceapi", "objbase", "std", "synchapi", "winuser"] }
diff --git a/src/wasapi/device.rs b/src/wasapi/device.rs
index 3ba7dd2..9913f2a 100644
--- a/src/wasapi/device.rs
+++ b/src/wasapi/device.rs
@@ -234,7 +234,7 @@ pub unsafe fn is_format_supported(
     match (*waveformatex_ptr).wFormatTag {
         mmreg::WAVE_FORMAT_PCM | mmreg::WAVE_FORMAT_IEEE_FLOAT => {
             let mut closest_waveformatex = *waveformatex_ptr;
-            let mut closest_waveformatex_ptr = &mut closest_waveformatex as *mut _;
+            let closest_waveformatex_ptr = &mut closest_waveformatex as *mut _;
             is_supported(waveformatex_ptr, closest_waveformatex_ptr)
         },
         mmreg::WAVE_FORMAT_EXTENSIBLE => {
@@ -243,7 +243,7 @@ pub unsafe fn is_format_supported(
             let mut closest_waveformatextensible = *waveformatextensible_ptr;
             let closest_waveformatextensible_ptr =
                 &mut closest_waveformatextensible as *mut _;
-            let mut closest_waveformatex_ptr =
+            let closest_waveformatex_ptr =
                 closest_waveformatextensible_ptr as *mut mmreg::WAVEFORMATEX;
             is_supported(waveformatex_ptr, closest_waveformatex_ptr)
         },
diff --git a/src/wasapi/stream.rs b/src/wasapi/stream.rs
index a6564ca..0442008 100644
--- a/src/wasapi/stream.rs
+++ b/src/wasapi/stream.rs
@@ -12,7 +12,6 @@ use super::winapi::um::synchapi;
 use super::winapi::um::winbase;
 use super::winapi::um::winnt;
 
-use std::marker::PhantomData;
 use std::mem;
 use std::ptr;
 use std::slice;