diff --git a/ports/cef/Cargo.lock b/ports/cef/Cargo.lock
index f275293fda5..44155208c91 100644
--- a/ports/cef/Cargo.lock
+++ b/ports/cef/Cargo.lock
@@ -521,6 +521,11 @@ dependencies = [
  "log 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "mod_path"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "mozjs-sys"
 version = "0.0.0"
@@ -735,6 +740,7 @@ dependencies = [
  "geom 0.1.0 (git+https://github.com/servo/rust-geom)",
  "lazy_static 0.1.6 (git+https://github.com/Kimundi/lazy-static.rs)",
  "matches 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mod_path 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "plugins 0.0.1",
  "string_cache 0.0.0 (git+https://github.com/servo/string-cache)",
  "string_cache_macros 0.0.0 (git+https://github.com/servo/string-cache)",
diff --git a/ports/gonk/Cargo.lock b/ports/gonk/Cargo.lock
index d3f1b95a5d0..32cd29c0721 100644
--- a/ports/gonk/Cargo.lock
+++ b/ports/gonk/Cargo.lock
@@ -440,6 +440,11 @@ dependencies = [
  "log 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "mod_path"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "mozjs-sys"
 version = "0.0.0"
@@ -653,6 +658,7 @@ dependencies = [
  "geom 0.1.0 (git+https://github.com/servo/rust-geom)",
  "lazy_static 0.1.6 (git+https://github.com/Kimundi/lazy-static.rs)",
  "matches 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mod_path 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "plugins 0.0.1",
  "string_cache 0.0.0 (git+https://github.com/servo/string-cache)",
  "string_cache_macros 0.0.0 (git+https://github.com/servo/string-cache)",