diff --git a/Cargo.lock b/Cargo.lock
index fb144bd8d23..ed7bab222b8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1087,7 +1087,7 @@ dependencies = [
  "unicode-script 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "webrender_api 0.48.0 (git+https://github.com/servo/webrender)",
  "xi-unicode 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "xml5ever 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "xml5ever 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1236,12 +1236,12 @@ dependencies = [
 
 [[package]]
 name = "html5ever"
-version = "0.18.0"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "markup5ever 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "markup5ever 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1456,7 +1456,7 @@ dependencies = [
  "gfx 0.0.1",
  "gfx_traits 0.0.1",
  "heapsize 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "html5ever 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "html5ever 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.23 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1504,7 +1504,7 @@ dependencies = [
  "gfx 0.0.1",
  "gfx_traits 0.0.1",
  "heapsize 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "html5ever 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "html5ever 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "layout 0.0.1",
  "layout_traits 0.0.1",
@@ -1670,7 +1670,7 @@ dependencies = [
 
 [[package]]
 name = "markup5ever"
-version = "0.3.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "heapsize 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1680,7 +1680,7 @@ dependencies = [
  "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "string_cache 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "string_cache_codegen 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tendril 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tendril 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2479,7 +2479,7 @@ dependencies = [
  "half 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize_derive 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "html5ever 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "html5ever 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.10.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper_serde 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "image 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2530,7 +2530,7 @@ dependencies = [
  "webrender_api 0.48.0 (git+https://github.com/servo/webrender)",
  "webvr 0.0.1",
  "webvr_traits 0.0.1",
- "xml5ever 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "xml5ever 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2545,7 +2545,7 @@ dependencies = [
  "gfx_traits 0.0.1",
  "heapsize 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize_derive 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "html5ever 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "html5ever 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.23 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3019,7 +3019,7 @@ dependencies = [
  "fnv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize_derive 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "html5ever 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "html5ever 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3070,7 +3070,7 @@ dependencies = [
  "byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cssparser 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.15.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "html5ever 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "html5ever 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3212,7 +3212,7 @@ dependencies = [
 
 [[package]]
 name = "tendril"
-version = "0.3.1"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futf 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3629,12 +3629,12 @@ dependencies = [
 
 [[package]]
 name = "xml5ever"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "markup5ever 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "markup5ever 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3749,7 +3749,7 @@ dependencies = [
 "checksum heapsize_derive 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "46f96d52fb1564059fc97b85ef6165728cc30198ab60073bf114c66c4c89bb5d"
 "checksum heartbeats-simple 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9ad003ce233955e9d95f2c69cde84e68302ba9ba4a673d351c9bff93c738aadc"
 "checksum heartbeats-simple-sys 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e1a408c0011427cc0e0049f7861c70377819aedfc006e8c901b1c70fd98fb1a4"
-"checksum html5ever 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a49d5001dd1bddf042ea41ed4e0a671d50b1bf187e66b349d7ec613bdce4ad90"
+"checksum html5ever 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6ba0806f17ce2ea657c67cd28d03941166638c05153fb644aac6d5156b3033d0"
 "checksum httparse 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a6e7a63e511f9edffbab707141fbb8707d1a3098615fb2adbd5769cdfcc9b17d"
 "checksum hyper 0.10.10 (registry+https://github.com/rust-lang/crates.io-index)" = "36e108e0b1fa2d17491cbaac4bc460dc0956029d10ccf83c913dd0e5db3e7f07"
 "checksum hyper-openssl 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "85a372eb692590b3fe014c196c30f9f52d4c42f58cd49dd94caeee1593c9cc37"
@@ -3781,7 +3781,7 @@ dependencies = [
 "checksum lzw 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d947cbb889ed21c2a84be6ffbaebf5b4e0f4340638cba0444907e38b56be084"
 "checksum mac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c41e0c4fef86961ac6d6f8a82609f55f31b05e4fce149ac5710e439df7619ba4"
 "checksum malloc_buf 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "62bb907fe88d54d8d9ce32a3cceab4218ed2f6b7d35617cafe9adf84e43919cb"
-"checksum markup5ever 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "622d7d373a68b45f4a90f4b498da40cba8ce6aff56fbddbcbbe9cf1f2a8f3df9"
+"checksum markup5ever 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8c787ec52b50a2ee0f15db7c18e628528964f71e113ceb864177abe866d169c9"
 "checksum matches 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "efd7622e3022e1a6eaa602c4cea8912254e5582c9c692e9167714182244801b1"
 "checksum memchr 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1dbccc0e46f1ea47b9f17e6d67c5a96bd27030519c519c9c91327e31275a47b4"
 "checksum metadeps 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "829fffe7ea1d747e23f64be972991bc516b2f1ac2ae4a3b33d8bea150c410151"
@@ -3888,7 +3888,7 @@ dependencies = [
 "checksum syntex_pos 0.58.1 (registry+https://github.com/rust-lang/crates.io-index)" = "13ad4762fe52abc9f4008e85c4fb1b1fe3aa91ccb99ff4826a439c7c598e1047"
 "checksum syntex_syntax 0.58.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6e0e4dbae163dd98989464c23dd503161b338790640e11537686f2ef0f25c791"
 "checksum tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "87974a6f5c1dfb344d733055601650059a3363de2a6104819293baff662132d6"
-"checksum tendril 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1b72f8e2f5b73b65c315b1a70c730f24b9d7a25f39e98de8acbe2bb795caea"
+"checksum tendril 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9de21546595a0873061940d994bbbc5c35f024ae4fd61ec5c5b159115684f508"
 "checksum term 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "d168af3930b369cfe245132550579d47dfd873d69470755a19c2c6568dbbd989"
 "checksum term_size 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "07b6c1ac5b3fffd75073276bca1ceed01f67a28537097a2a9539e116e50fb21a"
 "checksum thread-id 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8df7875b676fddfadffd96deea3b1124e5ede707d4884248931077518cf1f773"
@@ -3933,4 +3933,4 @@ dependencies = [
 "checksum xdg 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a66b7c2281ebde13cf4391d70d4c7e5946c3c25e72a7b859ca8f677dcd0b0c61"
 "checksum xi-unicode 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "12ea8eda4b1eb72f02d148402e23832d56a33f55d8c1b2d5bcdde91d79d47cb1"
 "checksum xml-rs 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "7ec6c39eaa68382c8e31e35239402c0a9489d4141a8ceb0c716099a0b515b562"
-"checksum xml5ever 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b55c0fe16ec63e5bb4c2e1a4f22ee982d0df940b90827689932a9b2c34782c23"
+"checksum xml5ever 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "05d24ca1124fc3e7112b10d1979b5054bf599fcd9327da36dace83f1652d110f"
diff --git a/components/gfx/Cargo.toml b/components/gfx/Cargo.toml
index 5be6b7e1e96..50575b625b9 100644
--- a/components/gfx/Cargo.toml
+++ b/components/gfx/Cargo.toml
@@ -55,7 +55,7 @@ freetype = "0.3"
 servo-fontconfig = "0.2.1"
 
 [target.'cfg(target_os = "android")'.dependencies]
-xml5ever = {version = "0.8", features = ["unstable"]}
+xml5ever = {version = "0.9"}
 
 [target.'cfg(any(target_feature = "sse2", target_feature = "neon"))'.dependencies]
 simd = "0.2.0"
diff --git a/components/layout/Cargo.toml b/components/layout/Cargo.toml
index 8a77e23f5aa..e5991736eab 100644
--- a/components/layout/Cargo.toml
+++ b/components/layout/Cargo.toml
@@ -19,7 +19,7 @@ fnv = "1.0"
 gfx = {path = "../gfx"}
 gfx_traits = {path = "../gfx_traits"}
 heapsize = "0.4"
-html5ever = "0.18"
+html5ever = "0.19"
 ipc-channel = "0.8"
 libc = "0.2"
 log = "0.3.5"
diff --git a/components/layout_thread/Cargo.toml b/components/layout_thread/Cargo.toml
index 5513521c743..cc99e3e22b8 100644
--- a/components/layout_thread/Cargo.toml
+++ b/components/layout_thread/Cargo.toml
@@ -17,7 +17,7 @@ fnv = "1.0"
 gfx = {path = "../gfx"}
 gfx_traits = {path = "../gfx_traits"}
 heapsize = "0.4"
-html5ever = "0.18"
+html5ever = "0.19"
 ipc-channel = "0.8"
 layout = {path = "../layout"}
 layout_traits = {path = "../layout_traits"}
diff --git a/components/script/Cargo.toml b/components/script/Cargo.toml
index 995f12a5f29..7ab24e6b611 100644
--- a/components/script/Cargo.toml
+++ b/components/script/Cargo.toml
@@ -46,7 +46,7 @@ gleam = "0.4"
 half = "1.0"
 heapsize = "0.4"
 heapsize_derive = "0.1"
-html5ever = {version = "0.18", features = ["heap_size", "unstable"]}
+html5ever = {version = "0.19", features = ["heap_size"]}
 hyper = "0.10"
 hyper_serde = "0.7"
 image = "0.12"
@@ -90,7 +90,7 @@ unicode-segmentation = "1.1.0"
 url = {version = "1.2", features = ["heap_size", "query_encoding"]}
 utf-8 = "0.7"
 uuid = {version = "0.5", features = ["v4"]}
-xml5ever = {version = "0.8", features = ["unstable"]}
+xml5ever = {version = "0.9"}
 webrender_api = {git = "https://github.com/servo/webrender", features = ["ipc"]}
 webvr = {path = "../webvr"}
 webvr_traits = {path = "../webvr_traits"}
diff --git a/components/script_layout_interface/Cargo.toml b/components/script_layout_interface/Cargo.toml
index e26942f0d31..ccc8da3f7e2 100644
--- a/components/script_layout_interface/Cargo.toml
+++ b/components/script_layout_interface/Cargo.toml
@@ -18,7 +18,7 @@ euclid = "0.15"
 gfx_traits = {path = "../gfx_traits"}
 heapsize = "0.4"
 heapsize_derive = "0.1"
-html5ever = "0.18"
+html5ever = "0.19"
 ipc-channel = "0.8"
 libc = "0.2"
 log = "0.3.5"
diff --git a/components/style/Cargo.toml b/components/style/Cargo.toml
index 5b05a42299c..fea3d55ca7a 100644
--- a/components/style/Cargo.toml
+++ b/components/style/Cargo.toml
@@ -45,7 +45,7 @@ heapsize = {version = "0.4", optional = true}
 heapsize_derive = {version = "0.1", optional = true}
 itertools = "0.5"
 itoa = "0.3"
-html5ever = {version = "0.18", optional = true}
+html5ever = {version = "0.19", optional = true}
 lazy_static = "0.2"
 log = "0.3"
 matches = "0.1"
diff --git a/tests/unit/style/Cargo.toml b/tests/unit/style/Cargo.toml
index 95ae0150d77..bd95eb2d988 100644
--- a/tests/unit/style/Cargo.toml
+++ b/tests/unit/style/Cargo.toml
@@ -14,7 +14,7 @@ byteorder = "1.0"
 app_units = "0.5"
 cssparser = "0.19"
 euclid = "0.15"
-html5ever = "0.18"
+html5ever = "0.19"
 parking_lot = "0.4"
 rayon = "0.8"
 rustc-serialize = "0.3"