Bump version.
diff --git a/Cargo.lock b/Cargo.lock
index d642aeb..e510cc8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -23,7 +23,7 @@
[[package]]
name = "bindgen"
-version = "0.39.0"
+version = "0.40.0"
dependencies = [
"bitflags 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
"cexpr 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index 9e7d326..61dbe3d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@
repository = "https://github.com/rust-lang-nursery/rust-bindgen"
documentation = "https://docs.rs/bindgen"
homepage = "https://rust-lang-nursery.github.io/rust-bindgen/"
-version = "0.39.0"
+version = "0.40.0"
build = "build.rs"
include = [