diff --git a/CHANGELOG b/CHANGELOG
index 95227c0..f98d313 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -820,3 +820,13 @@
 * Fix URI generation for reblogs by accounts with numerical ActivityPub identifiers ([#37415](https://github.com/tootsuite/mastodon/issues/37415) by [@oneiros](https://github.com/oneiros))
 * Fix SignatureParser accepting duplicate parameters in HTTP Signature header ([#37375](https://github.com/tootsuite/mastodon/issues/37375) by [@shleeable](https://github.com/shleeable))
 
+[1.17.6]
+* Update mastodon to 4.5.6
+* [Full Changelog](https://github.com/mastodon/mastodon/releases/tag/v4.5.6)
+* Fix relationship cache not being cleared when handling account migrations ([#​37664](https://github.com/tootsuite/mastodon/issues/37664) by [@​ClearlyClaire](https://github.com/ClearlyClaire))
+* Fix quote cancel button not appearing after edit then delete-and-redraft ([#​37066](https://github.com/tootsuite/mastodon/issues/37066) by [@​PGrayCS](https://github.com/PGrayCS))
+* Fix followers with profile subscription (bell icon) being notified of post edits ([#​37646](https://github.com/tootsuite/mastodon/issues/37646) by [@​ClearlyClaire](https://github.com/ClearlyClaire))
+* Fix error when encountering invalid tag in updated object ([#​37635](https://github.com/tootsuite/mastodon/issues/37635) by [@​ClearlyClaire](https://github.com/ClearlyClaire))
+* Fix cross-server conversation tracking ([#​37559](https://github.com/tootsuite/mastodon/issues/37559) by [@​ClearlyClaire](https://github.com/ClearlyClaire))
+* Fix recycled connections not being immediately closed ([#​37335](https://github.com/tootsuite/mastodon/issues/37335) and [#​37674](https://github.com/tootsuite/mastodon/issues/37674) by [@​ClearlyClaire](https://github.com/ClearlyClaire) and [@​shleeable](https://github.com/shleeable))
+
diff --git a/CloudronManifest.json b/CloudronManifest.json
index 8ac176c..3b27f44 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -5,7 +5,7 @@
   "description": "file://DESCRIPTION.md",
   "changelog": "file://CHANGELOG",
   "tagline": "Federated social network",
-  "version": "1.17.5",
+  "version": "1.17.6",
   "upstreamVersion": "4.5.6",
   "healthCheckPath": "/about",
   "httpPort": 8000,