diff --git a/cs-engine/release-notes/release-notes.md b/cs-engine/release-notes/release-notes.md
index 307c66f787..2d51f47094 100644
--- a/cs-engine/release-notes/release-notes.md
+++ b/cs-engine/release-notes/release-notes.md
@@ -21,6 +21,14 @@ cannot be adopted as quickly for consistency and compatibility reasons.
 These notes refer to the current and immediately prior releases of the
 CS Engine. For notes on older versions, see the [CS Engine prior release notes archive](prior-release-notes.md).
 
+## CS Engine 1.12.6-cs6
+(10 Jan 2017)
+
+Bumps RunC version to address CVE-2016-9962.
+
+Refer to the [detailed list](https://github.com/docker/docker/releases/tag/v1.12.6) of all
+changes since the release of CS Engine 1.12.5-cs5.
+
 ## CS Engine 1.12.5-cs5
 (21 Dec 2016)