diff --git a/CHANGELOG.md b/CHANGELOG.md
index dc54d2d4..797aa13e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@ Unreleased
 
 Added
 --------
+- Dependency to cauchy 0.2 [#139](../../pull/139)
 - `generate::random_{unitary,regular}` for debug use [#140](../../pull/140) 
 
 Removed
@@ -10,12 +11,14 @@ Removed
 - `static` feature gate [#136](../../pull/136) 
 - Dependencies to derive-new, procedurals
 
-
 Changed
 ---------
+- submodule `lapack_traits` is renamed to `lapack` [#139](../../pull/139)
+- `ndarray_linalg::Scalar` trait is split into two parts [#139](../../pull/139)
+  - [cauchy::Scalar](https://docs.rs/cauchy/0.2.0/cauchy/trait.Scalar.html) is a refined real/complex common trait
+  - `lapack::Lapack` is a trait for primitive types which LAPACK supports
 - Error type becomes simple [#118](../../pull/118) [#127](../../pull/127)
 
-
 0.10.0 - 2 Sep 2018
 =======