diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index f726b1f..594f7db 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -7,6 +7,13 @@ Changelog
 .. This document is user facing. Please word the changes in such a way
 .. that users understand how the changes affect the new version.
 
+version 0.3.0-dev
+-----------------
++ Update embedded zlib-ng version to 2.1.2. This comes with some speed
+  improvements and changes with regards to the compression levels. For full
+  details checkout the `zlib-ng 2.1.2 release notes
+  <https://github.com/zlib-ng/zlib-ng/releases/tag/2.1.2>`_.
+
 version 0.2.0
 -----------------
 + Update embedded zlib-ng version to 2.0.7
diff --git a/src/zlib_ng/zlib-ng b/src/zlib_ng/zlib-ng
index a583e21..f75c685 160000
--- a/src/zlib_ng/zlib-ng
+++ b/src/zlib_ng/zlib-ng
@@ -1 +1 @@
-Subproject commit a583e215afa2356e23b418efa871a1cc4348702a
+Subproject commit f75c6856c32a0ade1f33e266fb370bac92d15fac