diff --git a/.travis.yml b/.travis.yml
index c8cda1b..8ada3f7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: rust
 rust:
-  - 1.8.0
+  - 1.15.0
   - stable
   - beta
   - nightly
diff --git a/Cargo.toml b/Cargo.toml
index 6280d0e..7072e88 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,8 @@ categories = [ "algorithms", "data-structures", "science" ]
 license = "MIT/Apache-2.0"
 name = "num-complex"
 repository = "https://github.com/rust-num/num-complex"
-version = "0.1.42"
+version = "0.2.0-git"
+publish = false
 readme = "README.md"
 
 [dependencies]
diff --git a/RELEASES.md b/RELEASES.md
index 588e06c..65b53a5 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -1,3 +1,12 @@
+# Release 0.2.0 (pending)
+
+- :warning: [num-complex now requires rustc 1.15 or greater][16].
+
+**Contributors**: @cuviper
+
+[16]: https://github.com/rust-num/num-complex/pull/16
+
+
 # Release 0.1.42
 
 - [num-complex now has its own source repository][num-356] at [rust-num/num-complex][home].
diff --git a/ci/rustup.sh b/ci/rustup.sh
index 16483d4..dc1aa14 100755
--- a/ci/rustup.sh
+++ b/ci/rustup.sh
@@ -1,11 +1,11 @@
 #!/bin/sh
 # Use rustup to locally run the same suite of tests as .travis.yml.
-# (You should first install/update 1.8.0, stable, beta, and nightly.)
+# (You should first install/update 1.15.0, stable, beta, and nightly.)
 
 set -ex
 
 export TRAVIS_RUST_VERSION
-for TRAVIS_RUST_VERSION in 1.8.0 stable beta nightly; do
+for TRAVIS_RUST_VERSION in 1.15.0 stable beta nightly; do
     run="rustup run $TRAVIS_RUST_VERSION"
     $run cargo build --verbose
     $run $PWD/ci/test_full.sh
diff --git a/src/lib.rs b/src/lib.rs
index d393b66..25e395d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -12,7 +12,7 @@
 //!
 //! ## Compatibility
 //!
-//! The `num-complex` crate is tested for rustc 1.8 and greater.
+//! The `num-complex` crate is tested for rustc 1.15 and greater.
 
 #![doc(html_root_url = "https://docs.rs/num-complex/0.1")]