Breaking version bump.
diff --git a/Cargo.lock b/Cargo.lock
index 0ae1dc4..089e0f2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,12 +1,12 @@
 [root]
 name = "bindgen"
-version = "0.21.3"
+version = "0.22.0"
 dependencies = [
  "aster 0.38.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cexpr 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "clang-sys 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "clap 2.19.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.20.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "diff 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -21,7 +21,7 @@
 
 [[package]]
 name = "aho-corasick"
-version = "0.6.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "memchr 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -67,20 +67,20 @@
  "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)",
- "libloading 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libloading 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "clap"
-version = "2.19.3"
+version = "2.20.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)",
- "strsim 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "term_size 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-segmentation 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "strsim 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "term_size 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-segmentation 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "vec_map 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -92,7 +92,7 @@
 
 [[package]]
 name = "dtoa"
-version = "0.2.2"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -111,7 +111,7 @@
 
 [[package]]
 name = "itoa"
-version = "0.1.1"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -135,12 +135,12 @@
 
 [[package]]
 name = "libloading"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "target_build_utils 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "target_build_utils 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -234,7 +234,7 @@
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "aho-corasick 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aho-corasick 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -253,18 +253,18 @@
 
 [[package]]
 name = "serde"
-version = "0.8.23"
+version = "0.9.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde_json"
-version = "0.8.6"
+version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "dtoa 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "itoa 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "dtoa 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.9.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -279,7 +279,7 @@
 
 [[package]]
 name = "strsim"
-version = "0.5.2"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -300,7 +300,7 @@
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "syntex_pos 0.54.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "term 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "term 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -323,23 +323,23 @@
  "rustc-serialize 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "syntex_errors 0.54.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "syntex_pos 0.54.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "term 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "term 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "target_build_utils"
-version = "0.1.2"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "phf 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf_codegen 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 0.8.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 0.9.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "term"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -348,7 +348,7 @@
 
 [[package]]
 name = "term_size"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -376,7 +376,7 @@
 
 [[package]]
 name = "unicode-segmentation"
-version = "0.1.3"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -423,23 +423,23 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [metadata]
-"checksum aho-corasick 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4f660b942762979b56c9f07b4b36bb559776fbad102f05d6771e1b629e8fd5bf"
+"checksum aho-corasick 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0638fd549427caa90c499814196d1b9e3725eb4d15d7339d6de073a680ed0ca2"
 "checksum ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "23ac7c30002a5accbf7e8987d0632fa6de155b7c3d39d0067317a391e00a2ef6"
 "checksum aster 0.38.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2c9b49e42a449c0b79d8acb91db37621de0978064dca7d3288ddcf030123e5b3"
 "checksum bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aad18937a628ec6abcd26d1489012cc0e18c21798210f491af69ded9b881106d"
 "checksum cexpr 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "393a5f0088efbe41f9d1fcd062f24e83c278608420e62109feb2c8abee07de7d"
 "checksum cfg-if 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "de1e760d7b6535af4241fca8bd8adf68e2e7edacc6b29f5d399050c5e48cf88c"
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+"checksum itoa 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eb2f404fbc66fd9aac13e998248505e7ecb2ad8e44ab6388684c5fb11c6c251c"
 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
 "checksum lazy_static 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6abe0ee2e758cd6bc8a2cd56726359007748fbf4128da998b65d0b70f881e19b"
 "checksum libc 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)" = "684f330624d8c3784fb9558ca46c4ce488073a8d22450415c5eb4f4cfb0d11b5"
-"checksum libloading 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "84816a8c6ed8163dfe0dbdd2b09d35c6723270ea77a4c7afa4bedf038a36cb99"
+"checksum libloading 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "fd1835a714c1f67ba073a493493c23686a480e2614e208c921834808b1f19d8f"
 "checksum log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ab83497bf8bf4ed2a74259c1c802351fcd67a65baa86394b6ba73c36f4838054"
 "checksum memchr 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1dbccc0e46f1ea47b9f17e6d67c5a96bd27030519c519c9c91327e31275a47b4"
 "checksum nom 1.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "a5b8c256fd9471521bcb84c3cdba98921497f1a331cbc15b8030fc63b82050ce"
@@ -454,21 +454,21 @@
 "checksum regex 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4278c17d0f6d62dfef0ab00028feb45bd7d2102843f80763474eeb1be8a10c01"
 "checksum regex-syntax 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9191b1f57603095f105d317e375d19b1c9c5c3185ea9633a99a6dcbed04457"
 "checksum rustc-serialize 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)" = "237546c689f20bb44980270c73c3b9edd0891c1be49cc1274406134a66d3957b"
-"checksum serde 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)" = "9dad3f759919b92c3068c696c15c3d17238234498bbdcc80f2c469606f948ac8"
-"checksum serde_json 0.8.6 (registry+https://github.com/rust-lang/crates.io-index)" = "67f7d2e9edc3523a9c8ec8cd6ec481b3a27810aafee3e625d311febd3e656b4c"
+"checksum serde 0.9.7 (registry+https://github.com/rust-lang/crates.io-index)" = "1e0ed773960f90a78567fcfbe935284adf50c5d7cf119aa2cf43bb0b4afa69bb"
+"checksum serde_json 0.9.6 (registry+https://github.com/rust-lang/crates.io-index)" = "e095e4e94e7382b76f48e93bd845ffddda62df8dfd4c163b1bfa93d40e22e13a"
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diff --git a/Cargo.toml b/Cargo.toml
index c732337..a9521be 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@
 readme = "README.md"
 repository = "https://github.com/servo/rust-bindgen"
 documentation = "https://docs.rs/bindgen"
-version = "0.21.3"
+version = "0.22.0"
 build = "build.rs"
 
 exclude = ["tests/headers", "tests/expectations", "bindgen-integration", "ci"]