diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2760ed..f2d5d8c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Unreleased
+
 - Remove exclusive `&mut` borrow requirements in `Sink` & `SpatialSink` setters.
+- Use `nalgebra` instead of `cgmath` for `Spatial` source.
 
 # Version 0.8.1 (2018-09-18)
 
diff --git a/Cargo.toml b/Cargo.toml
index 29c6662..6e72896 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ cpal = "0.8"
 hound = { version = "3.3.1", optional = true }
 lazy_static = "1.0.0"
 lewton = { version = "0.9", optional = true }
-cgmath = "0.14"
+nalgebra = "0.18"
 minimp3 = { version = "0.3.2", optional = true }
 
 [features]
diff --git a/src/lib.rs b/src/lib.rs
index ba4f095..118072b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -83,12 +83,12 @@
 
 #![cfg_attr(test, deny(missing_docs))]
 
-extern crate cgmath;
 #[cfg(feature = "flac")]
 extern crate claxon;
 extern crate cpal;
 #[cfg(feature = "wav")]
 extern crate hound;
+extern crate nalgebra;
 #[macro_use]
 extern crate lazy_static;
 #[cfg(feature = "vorbis")]
diff --git a/src/source/spatial.rs b/src/source/spatial.rs
index 0a09fa0..3faa700 100644
--- a/src/source/spatial.rs
+++ b/src/source/spatial.rs
@@ -1,4 +1,4 @@
-use cgmath::{InnerSpace, Point3};
+use nalgebra::Point3;
 use source::ChannelVolume;
 use std::fmt::Debug;
 use std::time::Duration;