diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f53a0d6..911d343 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -6,7 +6,6 @@ on:
       - "v*"
 
 jobs:
-
   build_linux:
     name: Build Linux
     runs-on: ubuntu-latest
@@ -15,6 +14,7 @@ jobs:
       - run: |
           sudo apt-get update
           sudo apt-get install -y libspeechd-dev
+          rustup update
           cargo build --release
           rustup target add wasm32-unknown-unknown
           cargo build --release --target wasm32-unknown-unknown
@@ -26,6 +26,7 @@ jobs:
       - uses: actions/checkout@v2
       - run: |
           choco install -y llvm
+          rustup update
           cargo build --release
 
   build_macos:
@@ -34,7 +35,16 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - run: |
+          rustup update
           cargo build --release
+
+  build_ios:
+    name: Build iOS
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: |
+          rustup update
           rustup target add aarch64-apple-ios x86_64-apple-ios
           cargo install cargo-lipo
           cargo lipo --release
@@ -49,6 +59,7 @@ jobs:
       - uses: actions/checkout@v2
       - run: |
           choco install -y llvm
+          rustup update
           cargo login $CARGO_TOKEN
           cd winrt_bindings
           cargo package
@@ -57,7 +68,7 @@ jobs:
   publish:
     name: Publish
     runs-on: ubuntu-latest
-    needs: [build_linux, build_windows, build_macos]
+    needs: [build_linux, build_windows, build_macos, build_ios]
     env:
       CARGO_TOKEN: ${{ secrets.CARGO_TOKEN }}
     steps:
@@ -65,5 +76,6 @@ jobs:
       - run: |
           sudo apt-get update
           sudo apt-get install -y libspeechd-dev
+          rustup update
           cargo login $CARGO_TOKEN
           cargo publish
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9404d8a..d49d480 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -5,7 +5,6 @@ on:
   pull_request:
 
 jobs:
-
   build_linux:
     name: Build Linux
     runs-on: ubuntu-latest
@@ -14,6 +13,7 @@ jobs:
       - run: |
           sudo apt-get update
           sudo apt-get install -y libspeechd-dev
+          rustup update
           cargo build --release
           rustup target add wasm32-unknown-unknown
           cargo build --release --target wasm32-unknown-unknown
@@ -25,6 +25,7 @@ jobs:
       - uses: actions/checkout@v2
       - run: |
           choco install -y llvm
+          rustup update
           cargo build --release
 
   build_macos:
@@ -33,7 +34,16 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - run: |
+          rustup update
           cargo build --release
+
+  build_ios:
+    name: Build iOS
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: |
+          rustup update
           rustup target add aarch64-apple-ios x86_64-apple-ios
           cargo install cargo-lipo
           cargo lipo --release
diff --git a/Cargo.toml b/Cargo.toml
index 7afb5e7..fc20fe3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tts"
-version = "0.6.2"
+version = "0.6.3"
 authors = ["Nolan Darilek <nolan@thewordnerd.info>"]
 repository = "https://github.com/ndarilek/tts-rs"
 description = "High-level Text-To-Speech (TTS) interface"
diff --git a/build.rs b/build.rs
index eb44096..1aa98d1 100644
--- a/build.rs
+++ b/build.rs
@@ -1,15 +1,8 @@
-// Copyright 2013-2015 The Servo Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
 fn main() {
     if std::env::var("TARGET").unwrap().contains("-apple") {
-        println!("cargo:rustc-link-lib=framework=AppKit");
         println!("cargo:rustc-link-lib=framework=AVFoundation");
+        if !std::env::var("CARGO_CFG_TARGET_OS").unwrap().contains("ios") {
+            println!("cargo:rustc-link-lib=framework=AppKit");
+        }
     }
 }
diff --git a/src/backends/tolk.rs b/src/backends/tolk.rs
index e6d0f07..a1e8301 100644
--- a/src/backends/tolk.rs
+++ b/src/backends/tolk.rs
@@ -28,7 +28,25 @@ impl Backend for Tolk {
 
     fn speak(&mut self, text: &str, interrupt: bool) -> Result<(), Error> {
         trace!("speak({}, {})", text, interrupt);
-        self.0.speak(text, interrupt);
+        const BUFFER_LENGTH: usize = 300;
+        if text.len() <= BUFFER_LENGTH {
+            self.0.speak(text, interrupt);
+        } else {
+            if interrupt {
+                self.stop()?;
+            }
+            let tokens = text.split_whitespace();
+            let mut buffer = String::new();
+            for token in tokens {
+                if buffer.len() + token.len() > BUFFER_LENGTH {
+                    self.0.speak(buffer, false);
+                    buffer = String::new();
+                } else {
+                    buffer.push_str(token);
+                    buffer.push(' ');
+                }
+            }
+        }
         Ok(())
     }