diff --git a/Cargo.lock b/Cargo.lock
index f25d9655f51..8177d1884f9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -606,7 +606,7 @@ dependencies = [
 
 [[package]]
 name = "rustfmt-nightly"
-version = "0.99.9"
+version = "1.0.0"
 dependencies = [
  "assert_cli 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index b7170955918..2a6b07d3c21 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "rustfmt-nightly"
-version = "0.99.9"
+version = "1.0.0"
 authors = ["Nicholas Cameron <ncameron@mozilla.com>", "The Rustfmt developers"]
 description = "Tool to find and fix Rust formatting issues"
 repository = "https://github.com/rust-lang-nursery/rustfmt"