diff --git a/Cargo.lock b/Cargo.lock
index 61249ff7f19..4a011eda276 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -281,7 +281,7 @@ dependencies = [
  "azure 0.23.0 (git+https://github.com/servo/rust-azure)",
  "canvas_traits 0.0.1",
  "compositing 0.0.1",
- "cssparser 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.15.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "gleam 0.4.14 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -298,7 +298,7 @@ dependencies = [
 name = "canvas_traits"
 version = "0.0.1"
 dependencies = [
- "cssparser 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.15.5 (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 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -561,7 +561,7 @@ dependencies = [
 
 [[package]]
 name = "cssparser"
-version = "0.22.0"
+version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cssparser-macros 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1038,7 +1038,7 @@ name = "geckoservo"
 version = "0.0.1"
 dependencies = [
  "atomic_refcell 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1109,7 +1109,7 @@ dependencies = [
 name = "gfx_tests"
 version = "0.0.1"
 dependencies = [
- "cssparser 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "gfx 0.0.1",
  "ipc-channel 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "style 0.0.1",
@@ -1696,7 +1696,7 @@ name = "malloc_size_of"
 version = "0.0.1"
 dependencies = [
  "app_units 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.15.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "hashglobe 0.1.0",
  "mozjs 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2560,7 +2560,7 @@ dependencies = [
  "caseless 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "cmake 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "cookie 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "deny_public_fields 0.0.1",
  "devtools_traits 0.0.1",
  "dom_struct 0.0.1",
@@ -2636,7 +2636,7 @@ dependencies = [
  "app_units 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "atomic_refcell 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "canvas_traits 0.0.1",
- "cssparser 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.15.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "gfx_traits 0.0.1",
  "html5ever 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2717,7 +2717,7 @@ name = "selectors"
 version = "0.19.0"
 dependencies = [
  "bitflags 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "malloc_size_of 0.0.1",
@@ -3133,7 +3133,7 @@ dependencies = [
  "bitflags 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "encoding_rs 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.15.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "fallible 0.0.1",
@@ -3192,7 +3192,7 @@ version = "0.0.1"
 dependencies = [
  "app_units 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.15.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "html5ever 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3214,7 +3214,7 @@ version = "0.0.1"
 dependencies = [
  "app_units 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.15.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "malloc_size_of 0.0.1",
  "malloc_size_of_derive 0.0.1",
@@ -3230,7 +3230,7 @@ name = "stylo_tests"
 version = "0.0.1"
 dependencies = [
  "atomic_refcell 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.15.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "geckoservo 0.0.1",
@@ -3811,7 +3811,7 @@ dependencies = [
 "checksum core-foundation-sys 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "bc9fb3d6cb663e6fd7cf1c63f9b144ee2b1e4a78595a0451dd34bff85b9a3387"
 "checksum core-graphics 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "5dc0a78ab2ac23b6ea7b3fe5fe93b227900dc0956979735b8f68032417976dd4"
 "checksum core-text 8.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bcad23756dd1dc4b47bf6a914ace27aadb8fa68889db5837af2308d018d0467c"
-"checksum cssparser 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)" = "44313341610282488e1156ad1fedebca51c54766c87a041d0287b10499c04ba1"
+"checksum cssparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)" = "217b0241b46d3b758271d88086d2d935b9f21aafa6112813b5f5f854b826146c"
 "checksum cssparser-macros 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "079adec4af52bb5275eadd004292028c79eb3c5f5b4ee8086a36d4197032f6df"
 "checksum cubeb-ffi 0.0.2 (git+https://github.com/djg/cubeb-pulse-rs?branch=dev)" = "<none>"
 "checksum cubeb-pulse 0.0.2 (git+https://github.com/djg/cubeb-pulse-rs?branch=dev)" = "<none>"
diff --git a/components/canvas/Cargo.toml b/components/canvas/Cargo.toml
index 49298cdb71f..d92cc1f0a36 100644
--- a/components/canvas/Cargo.toml
+++ b/components/canvas/Cargo.toml
@@ -13,7 +13,7 @@ path = "lib.rs"
 azure = {git = "https://github.com/servo/rust-azure"}
 canvas_traits = {path = "../canvas_traits"}
 compositing = {path = "../compositing"}
-cssparser = "0.22.0"
+cssparser = "0.23.0"
 euclid = "0.15"
 fnv = "1.0"
 gleam = "0.4"
diff --git a/components/canvas_traits/Cargo.toml b/components/canvas_traits/Cargo.toml
index c463d551052..81ea3340cfe 100644
--- a/components/canvas_traits/Cargo.toml
+++ b/components/canvas_traits/Cargo.toml
@@ -10,7 +10,7 @@ name = "canvas_traits"
 path = "lib.rs"
 
 [dependencies]
-cssparser = "0.22.0"
+cssparser = "0.23.0"
 euclid = "0.15"
 ipc-channel = "0.9"
 lazy_static = "0.2"
diff --git a/components/malloc_size_of/Cargo.toml b/components/malloc_size_of/Cargo.toml
index c1cdeeaa73b..94dd3a7848a 100644
--- a/components/malloc_size_of/Cargo.toml
+++ b/components/malloc_size_of/Cargo.toml
@@ -13,7 +13,7 @@ servo = ["mozjs", "string_cache", "url", "webrender_api", "xml5ever"]
 
 [dependencies]
 app_units = "0.5.5"
-cssparser = "0.22.0"
+cssparser = "0.23.0"
 euclid = "0.15"
 hashglobe = { path = "../hashglobe" }
 mozjs = { version = "0.1.8", features = ["promises"], optional = true }
diff --git a/components/script/Cargo.toml b/components/script/Cargo.toml
index ea54951da04..8bc16dd6251 100644
--- a/components/script/Cargo.toml
+++ b/components/script/Cargo.toml
@@ -39,7 +39,7 @@ byteorder = "1.0"
 canvas_traits = {path = "../canvas_traits"}
 caseless = "0.1.0"
 cookie = "0.10"
-cssparser = "0.22.0"
+cssparser = "0.23.0"
 deny_public_fields = {path = "../deny_public_fields"}
 devtools_traits = {path = "../devtools_traits"}
 dom_struct = {path = "../dom_struct"}
diff --git a/components/script_layout_interface/Cargo.toml b/components/script_layout_interface/Cargo.toml
index 7959cf5eb6a..ef603efe222 100644
--- a/components/script_layout_interface/Cargo.toml
+++ b/components/script_layout_interface/Cargo.toml
@@ -13,7 +13,7 @@ path = "lib.rs"
 app_units = "0.5"
 atomic_refcell = "0.1"
 canvas_traits = {path = "../canvas_traits"}
-cssparser = "0.22.0"
+cssparser = "0.23.0"
 euclid = "0.15"
 gfx_traits = {path = "../gfx_traits"}
 html5ever = "0.21.0"
diff --git a/components/selectors/Cargo.toml b/components/selectors/Cargo.toml
index d38d39689ac..ae2ad65c3a4 100644
--- a/components/selectors/Cargo.toml
+++ b/components/selectors/Cargo.toml
@@ -25,7 +25,7 @@ bench = []
 [dependencies]
 bitflags = "1.0"
 matches = "0.1"
-cssparser = "0.22.0"
+cssparser = "0.23.0"
 log = "0.3"
 fnv = "1.0"
 malloc_size_of = { path = "../malloc_size_of" }
diff --git a/components/style/Cargo.toml b/components/style/Cargo.toml
index 80fd12e5fab..f57ed5fec2c 100644
--- a/components/style/Cargo.toml
+++ b/components/style/Cargo.toml
@@ -35,7 +35,7 @@ atomic_refcell = "0.1"
 bitflags = "1.0"
 byteorder = "1.0"
 cfg-if = "0.1.0"
-cssparser = "0.22.0"
+cssparser = "0.23.0"
 encoding_rs = {version = "0.7", optional = true}
 euclid = "0.15"
 fallible = { path = "../fallible" }
diff --git a/components/style/error_reporting.rs b/components/style/error_reporting.rs
index d989857d141..b3661846ccf 100644
--- a/components/style/error_reporting.rs
+++ b/components/style/error_reporting.rs
@@ -76,7 +76,6 @@ impl<'a> fmt::Display for ContextualParseError<'a> {
                 Token::PrefixMatch => write!(f, "prefix match (^=)"),
                 Token::SuffixMatch => write!(f, "suffix match ($=)"),
                 Token::SubstringMatch => write!(f, "substring match (*=)"),
-                Token::Column => write!(f, "column (||)"),
                 Token::CDO => write!(f, "CDO (<!--)"),
                 Token::CDC => write!(f, "CDC (-->)"),
                 Token::Function(ref name) => write!(f, "function {}", name),
diff --git a/components/style_traits/Cargo.toml b/components/style_traits/Cargo.toml
index 99c80c1aa58..90faa1e9ecd 100644
--- a/components/style_traits/Cargo.toml
+++ b/components/style_traits/Cargo.toml
@@ -15,7 +15,7 @@ gecko = []
 
 [dependencies]
 app_units = "0.5"
-cssparser = "0.22.0"
+cssparser = "0.23.0"
 bitflags = "1.0"
 euclid = "0.15"
 malloc_size_of = { path = "../malloc_size_of" }
diff --git a/ports/geckolib/Cargo.toml b/ports/geckolib/Cargo.toml
index 23b12ac2963..c4771cd05d1 100644
--- a/ports/geckolib/Cargo.toml
+++ b/ports/geckolib/Cargo.toml
@@ -15,7 +15,7 @@ gecko_debug = ["style/gecko_debug"]
 
 [dependencies]
 atomic_refcell = "0.1"
-cssparser = "0.22.0"
+cssparser = "0.23.0"
 env_logger = {version = "0.4", default-features = false} # disable `regex` to reduce code size
 libc = "0.2"
 log = {version = "0.3.5", features = ["release_max_level_info"]}
diff --git a/tests/unit/gfx/Cargo.toml b/tests/unit/gfx/Cargo.toml
index b759f13422e..46495840ce0 100644
--- a/tests/unit/gfx/Cargo.toml
+++ b/tests/unit/gfx/Cargo.toml
@@ -10,7 +10,7 @@ path = "lib.rs"
 doctest = false
 
 [dependencies]
-cssparser = "0.22.0"
+cssparser = "0.23.0"
 gfx = {path = "../../../components/gfx"}
 ipc-channel = "0.9"
 style = {path = "../../../components/style"}
diff --git a/tests/unit/style/Cargo.toml b/tests/unit/style/Cargo.toml
index bb3178dd377..05841c7383e 100644
--- a/tests/unit/style/Cargo.toml
+++ b/tests/unit/style/Cargo.toml
@@ -12,7 +12,7 @@ doctest = false
 [dependencies]
 byteorder = "1.0"
 app_units = "0.5"
-cssparser = "0.22.0"
+cssparser = "0.23.0"
 euclid = "0.15"
 html5ever = "0.21"
 parking_lot = "0.4"
diff --git a/tests/unit/stylo/Cargo.toml b/tests/unit/stylo/Cargo.toml
index c2611b7713c..7a42976159d 100644
--- a/tests/unit/stylo/Cargo.toml
+++ b/tests/unit/stylo/Cargo.toml
@@ -13,7 +13,7 @@ doctest = false
 
 [dependencies]
 atomic_refcell = "0.1"
-cssparser = "0.22.0"
+cssparser = "0.23.0"
 env_logger = "0.4"
 euclid = "0.15"
 geckoservo = {path = "../../../ports/geckolib"}