diff --git a/components/gfx/Cargo.toml b/components/gfx/Cargo.toml
index f66ca8c658b..dc938835335 100644
--- a/components/gfx/Cargo.toml
+++ b/components/gfx/Cargo.toml
@@ -26,7 +26,7 @@ serde = "0.6"
 serde_macros = "0.6"
 servo-skia = "0.20130412.0"
 smallvec = "0.1"
-string_cache = {version = "0.2.9", features = ["heap_size"]}
+string_cache = {version = "0.2.10", features = ["heap_size"]}
 time = "0.1.12"
 unicode-script = { version = "0.1", features = ["harfbuzz"] }
 url = {version = "0.5.5", features = ["heap_size"]}
diff --git a/components/layout/Cargo.toml b/components/layout/Cargo.toml
index 6d34a1dd8c6..6658b5d1612 100644
--- a/components/layout/Cargo.toml
+++ b/components/layout/Cargo.toml
@@ -75,7 +75,7 @@ serde = "0.6"
 serde_json = "0.6"
 serde_macros = "0.6"
 smallvec = "0.1"
-string_cache = {version = "0.2.9", features = ["heap_size"]}
+string_cache = {version = "0.2.10", features = ["heap_size"]}
 time = "0.1"
 unicode-bidi = "0.2"
 unicode-script = { version = "0.1", features = ["harfbuzz"] }
diff --git a/components/script/Cargo.toml b/components/script/Cargo.toml
index 103259cc1db..f0dd201bf37 100644
--- a/components/script/Cargo.toml
+++ b/components/script/Cargo.toml
@@ -84,7 +84,7 @@ rustc-serialize = "0.3"
 selectors = {version = "0.5", features = ["heap_size"]}
 serde = "0.6"
 smallvec = "0.1"
-string_cache = {version = "0.2.9", features = ["heap_size", "unstable"]}
+string_cache = {version = "0.2.10", features = ["heap_size", "unstable"]}
 time = "0.1.12"
 unicase = "1.0"
 url = {version = "0.5.5", features = ["heap_size"]}
diff --git a/components/servo/Cargo.lock b/components/servo/Cargo.lock
index 785fd47afa9..022d31cd5cb 100644
--- a/components/servo/Cargo.lock
+++ b/components/servo/Cargo.lock
@@ -674,7 +674,7 @@ dependencies = [
  "servo-skia 0.20130412.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "simd 0.1.0 (git+https://github.com/huonw/simd)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style 0.0.1",
  "style_traits 0.0.1",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -843,7 +843,7 @@ dependencies = [
  "phf 0.7.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf_codegen 0.7.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "tendril 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1016,7 +1016,7 @@ dependencies = [
  "serde_json 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style 0.0.1",
  "style_traits 0.0.1",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1622,7 +1622,7 @@ dependencies = [
  "selectors 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.6.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style 0.0.1",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1681,7 +1681,7 @@ dependencies = [
  "matches 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "quickersort 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1854,7 +1854,7 @@ dependencies = [
 
 [[package]]
 name = "string_cache"
-version = "0.2.9"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "debug_unreachable 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1888,7 +1888,7 @@ dependencies = [
  "serde 0.6.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style_traits 0.0.1",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1905,7 +1905,7 @@ dependencies = [
  "msg 0.0.1",
  "plugins 0.0.1",
  "selectors 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style 0.0.1",
  "style_traits 0.0.1",
  "url 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2092,7 +2092,7 @@ dependencies = [
  "serde 0.6.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2311,7 +2311,7 @@ dependencies = [
  "phf 0.7.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf_codegen 0.7.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "tendril 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
diff --git a/components/style/Cargo.toml b/components/style/Cargo.toml
index 9e681f94b03..50887d09760 100644
--- a/components/style/Cargo.toml
+++ b/components/style/Cargo.toml
@@ -36,7 +36,7 @@ selectors = {version = "0.5", features = ["heap_size", "unstable"]}
 serde = "0.6"
 serde_macros = "0.6"
 smallvec = "0.1"
-string_cache = {version = "0.2.9", features = ["heap_size"]}
+string_cache = {version = "0.2.10", features = ["heap_size"]}
 time = "0.1"
 url = {version = "0.5.5", features = ["heap_size"]}
 
diff --git a/components/util/Cargo.toml b/components/util/Cargo.toml
index b6f8fd15640..47c687e757c 100644
--- a/components/util/Cargo.toml
+++ b/components/util/Cargo.toml
@@ -45,7 +45,7 @@ selectors = {version = "0.5", features = ["heap_size"]}
 serde = "0.6"
 serde_macros = "0.6"
 smallvec = "0.1"
-string_cache = {version = "0.2.9", features = ["heap_size"]}
+string_cache = {version = "0.2.10", features = ["heap_size"]}
 url = {version = "0.5.5", features = ["heap_size", "serde_serialization"]}
 uuid = "0.1.17"
 
diff --git a/ports/cef/Cargo.lock b/ports/cef/Cargo.lock
index 143595a6e20..d0352ccbaaf 100644
--- a/ports/cef/Cargo.lock
+++ b/ports/cef/Cargo.lock
@@ -613,7 +613,7 @@ dependencies = [
  "servo-skia 0.20130412.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "simd 0.1.0 (git+https://github.com/huonw/simd)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style 0.0.1",
  "style_traits 0.0.1",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -773,7 +773,7 @@ dependencies = [
  "phf 0.7.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf_codegen 0.7.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "tendril 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -946,7 +946,7 @@ dependencies = [
  "serde_json 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style 0.0.1",
  "style_traits 0.0.1",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1508,7 +1508,7 @@ dependencies = [
  "selectors 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.6.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style 0.0.1",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1558,7 +1558,7 @@ dependencies = [
  "matches 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "quickersort 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1768,7 +1768,7 @@ dependencies = [
 
 [[package]]
 name = "string_cache"
-version = "0.2.9"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "debug_unreachable 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1802,7 +1802,7 @@ dependencies = [
  "serde 0.6.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style_traits 0.0.1",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1989,7 +1989,7 @@ dependencies = [
  "serde 0.6.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2197,7 +2197,7 @@ dependencies = [
  "phf 0.7.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf_codegen 0.7.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "tendril 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
diff --git a/ports/geckolib/Cargo.lock b/ports/geckolib/Cargo.lock
index 3a91617c19a..a1ac9591cd5 100644
--- a/ports/geckolib/Cargo.lock
+++ b/ports/geckolib/Cargo.lock
@@ -15,7 +15,7 @@ dependencies = [
  "plugins 0.0.1",
  "selectors 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style 0.0.1",
  "url 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "util 0.0.1",
@@ -363,7 +363,7 @@ dependencies = [
  "matches 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "quickersort 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -399,7 +399,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "string_cache"
-version = "0.2.9"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "debug_unreachable 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -433,7 +433,7 @@ dependencies = [
  "serde 0.6.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style_traits 0.0.1",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -541,7 +541,7 @@ dependencies = [
  "serde 0.6.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
diff --git a/ports/geckolib/Cargo.toml b/ports/geckolib/Cargo.toml
index 4e9cf774ea2..a9a853b4d41 100644
--- a/ports/geckolib/Cargo.toml
+++ b/ports/geckolib/Cargo.toml
@@ -21,7 +21,7 @@ log = "0.3"
 num_cpus = "0.2.2"
 selectors = {version = "0.5", features = ["heap_size"]}
 smallvec = "0.1"
-string_cache = {version = "0.2.9", features = ["heap_size"]}
+string_cache = {version = "0.2.10", features = ["heap_size"]}
 url = {version = "0.5.5", features = ["heap_size"]}
 
 [dependencies.plugins]
diff --git a/ports/gonk/Cargo.lock b/ports/gonk/Cargo.lock
index a69719c906a..b52459b54fa 100644
--- a/ports/gonk/Cargo.lock
+++ b/ports/gonk/Cargo.lock
@@ -615,7 +615,7 @@ dependencies = [
  "servo-skia 0.20130412.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "simd 0.1.0 (git+https://github.com/huonw/simd)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style 0.0.1",
  "style_traits 0.0.1",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -754,7 +754,7 @@ dependencies = [
  "phf 0.7.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf_codegen 0.7.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "tendril 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -927,7 +927,7 @@ dependencies = [
  "serde_json 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style 0.0.1",
  "style_traits 0.0.1",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1489,7 +1489,7 @@ dependencies = [
  "selectors 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.6.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style 0.0.1",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1539,7 +1539,7 @@ dependencies = [
  "matches 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "quickersort 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1747,7 +1747,7 @@ dependencies = [
 
 [[package]]
 name = "string_cache"
-version = "0.2.9"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "debug_unreachable 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1781,7 +1781,7 @@ dependencies = [
  "serde 0.6.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "style_traits 0.0.1",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1968,7 +1968,7 @@ dependencies = [
  "serde 0.6.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2145,7 +2145,7 @@ dependencies = [
  "phf 0.7.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf_codegen 0.7.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "string_cache 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "tendril 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
diff --git a/tests/unit/style/Cargo.toml b/tests/unit/style/Cargo.toml
index 43a2fafaa55..9e5cdc5a9d2 100644
--- a/tests/unit/style/Cargo.toml
+++ b/tests/unit/style/Cargo.toml
@@ -28,5 +28,5 @@ app_units = {version = "0.2.1", features = ["plugins"]}
 cssparser = {version = "0.5.3", features = ["heap_size"]}
 euclid = {version = "0.6.2", features = ["plugins"]}
 selectors = {version = "0.5", features = ["heap_size"]}
-string_cache = {version = "0.2.9", features = ["heap_size"]}
+string_cache = {version = "0.2.10", features = ["heap_size"]}
 url = {version = "0.5.5", features = ["heap_size"]}