diff --git a/Cargo.lock b/Cargo.lock
index bf4c9e29270..b4ada4d2f03 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -305,7 +305,7 @@ dependencies = [
 
 [[package]]
 name = "caseless"
-version = "0.1.3"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "regex 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -424,7 +424,7 @@ dependencies = [
  "euclid 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "gfx_traits 0.0.1",
  "gleam 0.4.23 (registry+https://github.com/rust-lang/crates.io-index)",
- "image 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "image 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -460,7 +460,7 @@ dependencies = [
  "gfx_traits 0.0.1",
  "hyper 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "itertools 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itertools 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "layout_traits 0.0.1",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "metrics 0.0.1",
@@ -879,7 +879,7 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "0.2.19"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1209,7 +1209,7 @@ dependencies = [
 
 [[package]]
 name = "image"
-version = "0.17.0"
+version = "0.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1288,7 +1288,7 @@ dependencies = [
 
 [[package]]
 name = "itertools"
-version = "0.5.10"
+version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "either 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1814,7 +1814,7 @@ dependencies = [
  "brotli 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "cookie 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "devtools_traits 0.0.1",
- "flate2 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper-openssl 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper_serde 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1862,7 +1862,7 @@ dependencies = [
  "cookie 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper_serde 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "image 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "image 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2396,7 +2396,7 @@ dependencies = [
  "bluetooth_traits 0.0.1",
  "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "canvas_traits 0.0.1",
- "caseless 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "caseless 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cmake 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "cookie 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2413,7 +2413,7 @@ dependencies = [
  "html5ever 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper_serde 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "image 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "image 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jstraceable_derive 0.0.1",
  "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2634,7 +2634,7 @@ dependencies = [
  "osmesa-sys 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "script_traits 0.0.1",
  "servo-egl 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "servo-glutin 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "servo-glutin 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "servo_config 0.0.1",
  "servo_geometry 0.0.1",
  "servo_url 0.0.1",
@@ -2684,7 +2684,7 @@ dependencies = [
 
 [[package]]
 name = "servo-glutin"
-version = "0.14.1"
+version = "0.14.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "android_glue 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2693,7 +2693,7 @@ dependencies = [
  "core-foundation 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-graphics 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "gl_generator 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "image 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "image 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "objc 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2719,7 +2719,7 @@ dependencies = [
  "servo-egl 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "servo-fontconfig-sys 4.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "servo-freetype-sys 4.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "servo-glutin 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "servo-glutin 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "x11 2.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2938,7 +2938,7 @@ dependencies = [
  "fnv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "hashglobe 0.1.0",
  "html5ever 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "itertools 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itertools 0.7.6 (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)",
  "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3357,7 +3357,7 @@ dependencies = [
  "cookie 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "image 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "image 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "msg 0.0.1",
@@ -3604,7 +3604,7 @@ dependencies = [
 "checksum brotli-decompressor 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "313f4b6cc0b365d6b88eda5aa40175ee34ac6efa9a79e0b3b8202eca90247ba8"
 "checksum byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "652805b7e73fada9d85e9a6682a4abd490cb52d96aeecc12e33a0de34dfd0d23"
 "checksum bytes 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c129aff112dcc562970abb69e2508b40850dd24c274761bb50fb8a0067ba6c27"
-"checksum caseless 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8950b075cff75cdabadee97148a8b5816c7cf62e5948a6005b5255d564b42fe7"
+"checksum caseless 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e3261638034d9db4f94a666ebb16494846341ae5a8456c05c1616d66980cf39a"
 "checksum cc 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2c674f0870e3dbd4105184ea035acb1c32c8ae69939c9e228d2b11bbfe29efad"
 "checksum cexpr 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "393a5f0088efbe41f9d1fcd062f24e83c278608420e62109feb2c8abee07de7d"
 "checksum cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d4c819a1287eb618df47cc647173c5c4c66ba19d888a6e50d605672aed3140de"
@@ -3652,7 +3652,7 @@ dependencies = [
 "checksum error-chain 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d9435d864e017c3c6afeac1654189b06cdb491cf2ff73dbf0d73b0f292f42ff8"
 "checksum euclid 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b2744c002882c67d0f6d6e8cfdf16eae729dc27744d312745132e62218b7de5c"
 "checksum expat-sys 2.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "c470ccb972f2088549b023db8029ed9da9426f5affbf9b62efff7009ab8ed5b1"
-"checksum flate2 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)" = "36df0166e856739905cd3d7e0b210fe818592211a008862599845e012d8d304c"
+"checksum flate2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9fac2277e84e5e858483756647a9d0aa8d9a2b7cba517fd84325a0aaa69a0909"
 "checksum fnv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6cc484842f1e2884faf56f529f960cc12ad8c71ce96cc7abba0a067c98fee344"
 "checksum fontsan 0.4.0 (git+https://github.com/servo/fontsan)" = "<none>"
 "checksum foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
@@ -3681,14 +3681,14 @@ dependencies = [
 "checksum hyper_serde 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0997ad463f64ce6ba02cf5af320622bb9782e4f8355b650a2cc7ccca69a7cc2e"
 "checksum ident_case 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3c9826188e666f2ed92071d2dadef6edc430b11b158b5b2b3f4babbcc891eaaa"
 "checksum idna 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "014b298351066f1512874135335d62a789ffe78a9974f94b43ed5621951eaf7d"
-"checksum image 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d1576ffa01849c91b484b95c01d54dddc242b4d50923eaa2d4d74a58c4b9e8fd"
+"checksum image 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)" = "545f000e8aa4e569e93f49c446987133452e0091c2494ac3efd3606aa3d309f2"
 "checksum immeta 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "1aaaa557fbc7323c857871ce15f2b2c08d90548cba4aabda4251fac1b4778337"
 "checksum inflate 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "10ec05638adf7c5c788bc0cfa608cd479a13572beda20feb4898fe1d85d2c64b"
 "checksum influent 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a22b311b83431be3ab9af96ca9ea41554bb4a8551ea871ae44c3ce0c57e55f2c"
 "checksum io-surface 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "623ace1e5f7de3512ec45302572a72349fdadcbef650c3dfc5d8244209be7653"
 "checksum iovec 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "29d062ee61fccdf25be172e70f34c9f6efc597e1fb8f6526e8437b2046ab26be"
 "checksum ipc-channel 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c10ed089b1921b01ef342c736a37ee0788eeb9a5f373bb2df1ba88d01125064f"
-"checksum itertools 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4833d6978da405305126af4ac88569b5d71ff758581ce5a987dbfa3755f694fc"
+"checksum itertools 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)" = "b07332223953b5051bceb67e8c4700aa65291535568e1f12408c43c4a42c0394"
 "checksum itoa 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eb2f404fbc66fd9aac13e998248505e7ecb2ad8e44ab6388684c5fb11c6c251c"
 "checksum jemalloc-sys 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "479294d130502fada93c7a957e8d059b632b03d6204aca37af557dee947f30a9"
 "checksum jemallocator 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "28b211ca65c440322b6d4d9b5b850b01e8e298393b7ebcb8205b7cbb14ea6329"
@@ -3790,7 +3790,7 @@ dependencies = [
 "checksum servo-fontconfig 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "93f799b649b4a2bf362398910eca35240704c7e765e780349b2bb1070d892262"
 "checksum servo-fontconfig-sys 4.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "38b494f03009ee81914b0e7d387ad7c145cafcd69747c2ec89b0e17bb94f303a"
 "checksum servo-freetype-sys 4.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "9232032c2e85118c0282c6562c84cab12316e655491ba0a5d1905b2320060d1b"
-"checksum servo-glutin 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f883df5d9d1e35a86670a14e8392bc1cc64511b59ff2c27c6c28b99cec7a894b"
+"checksum servo-glutin 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)" = "cf265a35f2d23d3ed2fae943fda4b6dda861c86b25c1c99f9ca77a37cfa6ee7c"
 "checksum servo-skia 0.30000012.0 (registry+https://github.com/rust-lang/crates.io-index)" = "80980e6eb854c06e8e45fa3cfbd439bf4223a6840f38c3caec34efa39cf9405e"
 "checksum servo-websocket 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)" = "efde78dfcf2178d5a11e1e2268e0d8df0627dfe2724546db8585d6678e1af150"
 "checksum sha1 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cc30b1e1e8c40c121ca33b86c23308a090d19974ef001b4bf6e61fd1a0fb095c"
diff --git a/components/compositing/Cargo.toml b/components/compositing/Cargo.toml
index b7c98070e51..88cd1c47977 100644
--- a/components/compositing/Cargo.toml
+++ b/components/compositing/Cargo.toml
@@ -13,7 +13,7 @@ path = "lib.rs"
 euclid = "0.17"
 gfx_traits = {path = "../gfx_traits"}
 gleam = "0.4"
-image = "0.17"
+image = "0.18"
 ipc-channel = "0.9"
 libc = "0.2"
 log = "0.3.5"
diff --git a/components/constellation/Cargo.toml b/components/constellation/Cargo.toml
index c3a8cdd8c67..e821fabdc2d 100644
--- a/components/constellation/Cargo.toml
+++ b/components/constellation/Cargo.toml
@@ -23,7 +23,7 @@ gfx = {path = "../gfx"}
 gfx_traits = {path = "../gfx_traits"}
 hyper = "0.10"
 ipc-channel = "0.9"
-itertools = "0.5"
+itertools = "0.7"
 layout_traits = {path = "../layout_traits"}
 log = "0.3.5"
 metrics = {path = "../metrics"}
diff --git a/components/net/Cargo.toml b/components/net/Cargo.toml
index da9a2c7393a..4329215010a 100644
--- a/components/net/Cargo.toml
+++ b/components/net/Cargo.toml
@@ -16,7 +16,7 @@ base64 = "0.6"
 brotli = "1.0.6"
 cookie = "0.10"
 devtools_traits = {path = "../devtools_traits"}
-flate2 = "0.2.0"
+flate2 = "1"
 hyper = "0.10"
 hyper_serde = "0.8"
 hyper-openssl = "0.2.2"
diff --git a/components/net/http_loader.rs b/components/net/http_loader.rs
index ea9e1b129d9..c1a8215b06f 100644
--- a/components/net/http_loader.rs
+++ b/components/net/http_loader.rs
@@ -290,7 +290,7 @@ impl StreamedResponse {
         let decoder = {
             if let Some(ref encoding) = response.headers.get::<ContentEncoding>().cloned() {
                 if encoding.contains(&Encoding::Gzip) {
-                    Decoder::Gzip(GzDecoder::new(response)?)
+                    Decoder::Gzip(GzDecoder::new(response))
                 }
                 else if encoding.contains(&Encoding::Deflate) {
                     Decoder::Deflate(DeflateDecoder::new(response))
diff --git a/components/net/tests/http_loader.rs b/components/net/tests/http_loader.rs
index b9a84e6d0c3..67e8f9456e9 100644
--- a/components/net/tests/http_loader.rs
+++ b/components/net/tests/http_loader.rs
@@ -394,7 +394,7 @@ fn test_load_when_redirecting_from_a_post_should_rewrite_next_request_as_get() {
 fn test_load_should_decode_the_response_as_deflate_when_response_headers_have_content_encoding_deflate() {
     let handler = move |_: HyperRequest, mut response: HyperResponse| {
         response.headers_mut().set(ContentEncoding(vec![Encoding::Deflate]));
-        let mut e = DeflateEncoder::new(Vec::new(), Compression::Default);
+        let mut e = DeflateEncoder::new(Vec::new(), Compression::default());
         e.write(b"Yay!").unwrap();
         let encoded_content = e.finish().unwrap();
         response.send(&encoded_content).unwrap();
@@ -424,7 +424,7 @@ fn test_load_should_decode_the_response_as_deflate_when_response_headers_have_co
 fn test_load_should_decode_the_response_as_gzip_when_response_headers_have_content_encoding_gzip() {
     let handler = move |_: HyperRequest, mut response: HyperResponse| {
         response.headers_mut().set(ContentEncoding(vec![Encoding::Gzip]));
-        let mut e = GzEncoder::new(Vec::new(), Compression::Default);
+        let mut e = GzEncoder::new(Vec::new(), Compression::default());
         e.write(b"Yay!").unwrap();
         let encoded_content = e.finish().unwrap();
         response.send(&encoded_content).unwrap();
diff --git a/components/net_traits/Cargo.toml b/components/net_traits/Cargo.toml
index eb1774c6106..6dc3271058a 100644
--- a/components/net_traits/Cargo.toml
+++ b/components/net_traits/Cargo.toml
@@ -15,7 +15,7 @@ doctest = false
 cookie = "0.10"
 hyper = "0.10"
 hyper_serde = "0.8"
-image = "0.17"
+image = "0.18"
 ipc-channel = "0.9"
 lazy_static = "1"
 log = "0.3.5"
diff --git a/components/script/Cargo.toml b/components/script/Cargo.toml
index cdc18f459a7..a22553d8a1d 100644
--- a/components/script/Cargo.toml
+++ b/components/script/Cargo.toml
@@ -34,7 +34,7 @@ bitflags = "1.0"
 bluetooth_traits = {path = "../bluetooth_traits"}
 byteorder = "1.0"
 canvas_traits = {path = "../canvas_traits"}
-caseless = "0.1.0"
+caseless = "0.2"
 cookie = "0.10"
 chrono = "0.4"
 cssparser = "0.23.0"
@@ -50,7 +50,7 @@ half = "1.0"
 html5ever = "0.22"
 hyper = "0.10"
 hyper_serde = "0.8"
-image = "0.17"
+image = "0.18"
 ipc-channel = "0.9"
 jstraceable_derive = {path = "../jstraceable_derive"}
 lazy_static = "1"
diff --git a/components/style/Cargo.toml b/components/style/Cargo.toml
index 46e55d36aff..de06aebbc14 100644
--- a/components/style/Cargo.toml
+++ b/components/style/Cargo.toml
@@ -39,7 +39,7 @@ fallible = { path = "../fallible" }
 fnv = "1.0"
 hashglobe = { path = "../hashglobe" }
 html5ever = {version = "0.22", optional = true}
-itertools = "0.5"
+itertools = "0.7.6"
 itoa = "0.3"
 lazy_static = "1"
 log = "0.3"
diff --git a/components/webdriver_server/Cargo.toml b/components/webdriver_server/Cargo.toml
index 17109932274..d6f571d601f 100644
--- a/components/webdriver_server/Cargo.toml
+++ b/components/webdriver_server/Cargo.toml
@@ -14,7 +14,7 @@ base64 = "0.6"
 cookie = "0.10"
 euclid = "0.17"
 hyper = "0.10"
-image = "0.17"
+image = "0.18"
 ipc-channel = "0.9"
 log = "0.3.5"
 msg = {path = "../msg"}