diff --git a/CHANGELOG.md b/CHANGELOG.md
index 28a07ec7..f5d0712d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,9 @@ All major and minor version changes will be documented in this file. Details of
 
 ## Details
 
+### [9.46.0] - 2022-07-08
+- Added 'Cetacean Cipher Encode' and 'Cetacean Cipher Decode' operations [@valdelaseras] | [#1308]
+
 ### [9.45.0] - 2022-07-08
 - Added 'ROT8000' operation [@thomasleplus] | [#1250]
 
@@ -312,6 +315,7 @@ All major and minor version changes will be documented in this file. Details of
 
 
 
+[9.46.0]: https://github.com/gchq/CyberChef/releases/tag/v9.46.0
 [9.45.0]: https://github.com/gchq/CyberChef/releases/tag/v9.45.0
 [9.44.0]: https://github.com/gchq/CyberChef/releases/tag/v9.44.0
 [9.43.0]: https://github.com/gchq/CyberChef/releases/tag/v9.43.0
@@ -445,6 +449,7 @@ All major and minor version changes will be documented in this file. Details of
 [@mikecat]: https://github.com/mikecat
 [@crespyl]: https://github.com/crespyl
 [@thomasleplus]: https://github.com/thomasleplus
+[@valdelaseras]: https://github.com/valdelaseras
 
 [8ad18b]: https://github.com/gchq/CyberChef/commit/8ad18bc7db6d9ff184ba3518686293a7685bf7b7
 [9a33498]: https://github.com/gchq/CyberChef/commit/9a33498fed26a8df9c9f35f39a78a174bf50a513
@@ -546,4 +551,5 @@ All major and minor version changes will be documented in this file. Details of
 [#1264]: https://github.com/gchq/CyberChef/pull/1264
 [#1266]: https://github.com/gchq/CyberChef/pull/1266
 [#1250]: https://github.com/gchq/CyberChef/pull/1250
+[#1308]: https://github.com/gchq/CyberChef/pull/1308