diff --git a/CHANGELOG.md b/CHANGELOG.md
index 23e25f39..a19eec80 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 All major and minor version changes will be documented in this file. Details of patch-level version changes can be found in [commit messages](https://github.com/gchq/CyberChef/commits/master).
 
 
+### [9.2.0] - 2019-08-13
+- 'Defang IP Addresses' operation added [@h345983745] | [#556]
+
 ### [9.1.0] - 2019-08-13
 - 'Parse SSH Host Key' operation added [@j433866] | [#595]
 
@@ -161,6 +164,7 @@ All major and minor version changes will be documented in this file. Details of
 
 
 
+[9.2.0]: https://github.com/gchq/CyberChef/releases/tag/v9.2.0
 [9.1.0]: https://github.com/gchq/CyberChef/releases/tag/v9.1.0
 [9.0.0]: https://github.com/gchq/CyberChef/releases/tag/v9.0.0
 [8.38.0]: https://github.com/gchq/CyberChef/releases/tag/v8.38.0
@@ -279,6 +283,7 @@ All major and minor version changes will be documented in this file. Details of
 [#531]: https://github.com/gchq/CyberChef/pull/531
 [#533]: https://github.com/gchq/CyberChef/pull/533
 [#535]: https://github.com/gchq/CyberChef/pull/535
+[#556]: https://github.com/gchq/CyberChef/pull/556
 [#566]: https://github.com/gchq/CyberChef/pull/566
 [#571]: https://github.com/gchq/CyberChef/pull/571
 [#585]: https://github.com/gchq/CyberChef/pull/585