diff --git a/.travis.yml b/.travis.yml
index 57e2ab9..d21ee2d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,8 +17,8 @@ os:
     - osx
 
 rust:
-    - 1.13.0
-    - 1.14.0
+    - 1.17.0
+    - beta
     - nightly
 
 env:
@@ -26,30 +26,23 @@ env:
         - ARCH=x86_64
         - ARCH=i686
 
-matrix:
-    allow_failures:
-        - env: ARCH=i686
-          rust: nightly
-        # Note: nightly-i686 keeps failing, it seems that travis's nightly is outdated.
-
 install:
     - if [ "$TRAVIS_OS_NAME" = 'linux' ]; then OS=unknown-linux-gnu; else OS=apple-darwin; fi
-    - SYSROOT=$(rustc --print sysroot)
     - export HOST=$ARCH-$OS
-    - |
-        if [ ! -d "$SYSROOT/lib/rustlib/$HOST" ]; then
-            curl -SfLO "https://static.rust-lang.org/dist/rust-$TRAVIS_RUST_VERSION-$HOST.tar.gz" &&
-            tar xf "rust-$TRAVIS_RUST_VERSION-$HOST.tar.gz" "rust-$TRAVIS_RUST_VERSION-$HOST/rust-std-$HOST/lib/rustlib/$HOST" &&
-            mv "rust-$TRAVIS_RUST_VERSION-$HOST/rust-std-$HOST/lib/rustlib/$HOST" "$SYSROOT/lib/rustlib"
-        fi
+    - curl -SfLO "https://static.rust-lang.org/rustup/dist/$HOST/rustup-init"
+    - chmod u+x rustup-init
+    - ./rustup-init -y --default-host "$HOST" --default-toolchain "$TRAVIS_RUST_VERSION"
+    - export PATH=$HOME/.cargo/bin:$HOME/.local/bin:$PATH
+    - rustc -vV
+    - cargo -vV
 
 script:
-    - cargo test --target "$HOST"
-    - if [ "$TRAVIS_RUST_VERSION" = 'nightly' ]; then cargo bench --target "$HOST" --features bench; fi
+    - cargo test --no-default-features
+    - cargo test
+    - if [ "$TRAVIS_RUST_VERSION" = 'nightly' ]; then cargo bench; fi
 
 after_success:
-    - export PATH=$HOME/.cargo/bin:$HOME/.local/bin:$PATH
     - cargo install cargo-kcov
     - cargo kcov --print-install-kcov-sh | bash
-    - cargo kcov --target "$HOST" --coveralls -- --verify
+    - cargo kcov --coveralls -- --verify
 
diff --git a/Cargo.toml b/Cargo.toml
index 780b2ab..6d272d6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "qrcode"
 description = "QR code encoder in Rust"
 license = "MIT / Apache-2.0"
-version = "0.2.1"
+version = "0.3.0"
 authors = ["kennytm <kennytm@gmail.com>"]
 keywords = ["qrcode"]
 repository = "https://github.com/kennytm/qrcode-rust"
@@ -16,8 +16,8 @@ exclude = [
 travis-ci = { repository = "kennytm/qrcode-rust" }
 
 [dependencies]
-num-traits = "0.1.33"
-image = { version = "0.12.2", optional = true }
+num-traits = "0.1"
+image = { version = "0.13", optional = true }
 
 [features]
 default = ["image"]