diff --git a/Cargo.lock b/Cargo.lock
index e8726c0e8d88..c16c5da4439f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2459,11 +2459,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "same-file"
-version = "0.1.3"
+version = "1.0.2"
 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)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3049,7 +3048,7 @@ dependencies = [
  "unicode-bidi 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-segmentation 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "walkdir 2.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3432,12 +3431,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "walkdir"
-version = "1.0.7"
+version = "2.1.4"
 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)",
- "same-file 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "same-file 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3997,7 +3995,7 @@ dependencies = [
 "checksum rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
 "checksum rustc_version 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "c5f5376ea5e30ce23c03eb77cbe4962b988deead10910c372b226388b594c084"
 "checksum safemem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e27a8b19b835f7aea908818e871f5cc3a5a186550c30773be987e155e8163d8f"
-"checksum same-file 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d931a44fdaa43b8637009e7632a02adc4f2b2e0733c08caa4cf00e8da4a117a7"
+"checksum same-file 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "cfb6eded0b06a0b512c8ddbcf04089138c9b4362c2f696f3c3d76039d68f3637"
 "checksum scoped_threadpool 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "3ef399c8893e8cb7aa9696e895427fab3a6bf265977bb96e126f24ddd2cda85a"
 "checksum scopeguard 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c79eb2c3ac4bc2507cda80e7f3ac5b88bd8eae4c0914d5663e6a8933994be918"
 "checksum semver 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)" = "d4f410fedcf71af0345d7607d246e7ad15faaadd49d240ee3b24e5dc21a820ac"
@@ -4066,7 +4064,7 @@ dependencies = [
 "checksum vcpkg 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9e0a7d8bed3178a8fb112199d466eeca9ed09a14ba8ad67718179b4fd5487d0b"
 "checksum vec_map 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "887b5b631c2ad01628bbbaa7dd4c869f80d3186688f8d0b6f58774fbe324988c"
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
-"checksum walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "bb08f9e670fab86099470b97cd2b252d6527f0b3cc1401acdb595ffc9dd288ff"
+"checksum walkdir 2.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "63636bd0eb3d00ccb8b9036381b526efac53caf112b7783b730ab3f8e44da369"
 "checksum wayland-client 0.12.5 (registry+https://github.com/rust-lang/crates.io-index)" = "2b90adf943117ee4930d7944fe103dcb6f36ba05421f46521cb5adbf6bf0fbc8"
 "checksum wayland-kbd 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4fe0fb1c9917da9529d781659e456d84a693d74fe873d1658109758444616f76"
 "checksum wayland-protocols 0.12.5 (registry+https://github.com/rust-lang/crates.io-index)" = "fb5942dd2fc79d934db437c9ea3aabffceb49b546046ea453bcba531005e5537"
diff --git a/components/style/Cargo.toml b/components/style/Cargo.toml
index ee9f914ffa6c..504be54c390c 100644
--- a/components/style/Cargo.toml
+++ b/components/style/Cargo.toml
@@ -80,5 +80,5 @@ lazy_static = "1"
 log = "0.4"
 bindgen = { version = "0.33.2", optional = true, default-features = false }
 regex = {version = "0.2", optional = true}
-walkdir = "1.0"
+walkdir = "2.1.4"
 toml = {version = "0.4.5", optional = true, default-features = false}