diff --git a/components/compositing/Cargo.toml b/components/compositing/Cargo.toml
index cec58afb9dd..eac352b1d51 100644
--- a/components/compositing/Cargo.toml
+++ b/components/compositing/Cargo.toml
@@ -91,7 +91,7 @@ euclid = {version = "0.6.4", features = ["plugins"]}
 gleam = "0.2.8"
 image = "0.9"
 log = "0.3.5"
-num = "0.1.24"
+num-traits = "0.1.32"
 offscreen_gl_context = "0.1.2"
 rand = "0.3"
 serde = "0.7"
diff --git a/components/compositing/lib.rs b/components/compositing/lib.rs
index d72c2bace6c..eea4854b989 100644
--- a/components/compositing/lib.rs
+++ b/components/compositing/lib.rs
@@ -37,7 +37,7 @@ extern crate layout_traits;
 extern crate log;
 extern crate msg;
 extern crate net_traits;
-extern crate num;
+extern crate num_traits;
 extern crate offscreen_gl_context;
 #[macro_use]
 extern crate profile_traits;
diff --git a/components/compositing/timer_scheduler.rs b/components/compositing/timer_scheduler.rs
index 3ae43f613bb..b928c2902dc 100644
--- a/components/compositing/timer_scheduler.rs
+++ b/components/compositing/timer_scheduler.rs
@@ -5,7 +5,7 @@
 use euclid::length::Length;
 use ipc_channel::ipc::{self, IpcSender};
 use ipc_channel::router::ROUTER;
-use num::traits::Saturating;
+use num_traits::Saturating;
 use script_traits::{MsDuration, NsDuration, precise_time_ms, precise_time_ns};
 use script_traits::{TimerEvent, TimerEventRequest};
 use std::cell::RefCell;
diff --git a/components/servo/Cargo.lock b/components/servo/Cargo.lock
index eecbb16dbf8..578a4abd523 100644
--- a/components/servo/Cargo.lock
+++ b/components/servo/Cargo.lock
@@ -303,7 +303,7 @@ dependencies = [
  "log 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "msg 0.0.1",
  "net_traits 0.0.1",
- "num 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
  "offscreen_gl_context 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "plugins 0.0.1",
  "profile_traits 0.0.1",
diff --git a/ports/cef/Cargo.lock b/ports/cef/Cargo.lock
index 4a7c13c5445..53957552877 100644
--- a/ports/cef/Cargo.lock
+++ b/ports/cef/Cargo.lock
@@ -273,7 +273,7 @@ dependencies = [
  "log 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "msg 0.0.1",
  "net_traits 0.0.1",
- "num 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
  "offscreen_gl_context 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "plugins 0.0.1",
  "profile_traits 0.0.1",
diff --git a/ports/gonk/Cargo.lock b/ports/gonk/Cargo.lock
index 056921876f4..c3de07a5024 100644
--- a/ports/gonk/Cargo.lock
+++ b/ports/gonk/Cargo.lock
@@ -266,7 +266,7 @@ dependencies = [
  "log 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "msg 0.0.1",
  "net_traits 0.0.1",
- "num 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
  "offscreen_gl_context 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "plugins 0.0.1",
  "profile_traits 0.0.1",