diff --git a/CHANGELOG b/CHANGELOG
index cf45b86..508dc96 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -841,3 +841,17 @@
 * Fix users without special permissions being able to stream disabled timelines ([#​37791](https://github.com/tootsuite/mastodon/issues/37791) by [@​ClearlyClaire](https://github.com/ClearlyClaire))
 * Fix processing of object updates with duplicate hashtags ([#​37756](https://github.com/tootsuite/mastodon/issues/37756) by [@​ClearlyClaire](https://github.com/ClearlyClaire))
 
+[1.17.8]
+* Update mastodon to 4.5.8
+* [Full Changelog](https://github.com/mastodon/mastodon/releases/tag/v4.5.8)
+* Fix insufficient checks on quote authorizations ([GHSA-q4g8-82c5-9h33](https://github.com/mastodon/mastodon/security/advisories/GHSA-q4g8-82c5-9h33))
+* Fix open redirect in legacy path handler ([GHSA-xqw8-4j56-5hj6](https://github.com/mastodon/mastodon/security/advisories/GHSA-xqw8-4j56-5hj6))
+* Add for searching already-known private GtS posts ([#​38057](https://github.com/tootsuite/mastodon/issues/38057) by [@​ClearlyClaire](https://github.com/ClearlyClaire))
+* Change media description length limit for remote media attachments from 1500 to 10000 characters ([#​37921](https://github.com/tootsuite/mastodon/issues/37921) by [@​ClearlyClaire](https://github.com/ClearlyClaire))
+* Change HTTP signatures to skip the `Accept` header ([#​38132](https://github.com/tootsuite/mastodon/issues/38132) by [@​ClearlyClaire](https://github.com/ClearlyClaire))
+* Change numeric AP endpoints to redirect to short account URLs when HTML is requested ([#​38056](https://github.com/tootsuite/mastodon/issues/38056) by [@​ClearlyClaire](https://github.com/ClearlyClaire))
+* Fix some model definitions in `tootctl maintenance fix-duplicates` ([#​38214](https://github.com/tootsuite/mastodon/issues/38214) by [@​ClearlyClaire](https://github.com/ClearlyClaire))
+* Fix overly strict checks for current username on account migration page ([#​38183](https://github.com/tootsuite/mastodon/issues/38183) by [@​mjankowski](https://github.com/mjankowski))
+* Fix OpenStack Swift Keystone token rate limiting ([#​38145](https://github.com/tootsuite/mastodon/issues/38145) by [@​hugogameiro](https://github.com/hugogameiro))
+* Fix poll expiration notification being re-triggered on implicit updates ([#​38078](https://github.com/tootsuite/mastodon/issues/38078) by [@​ClearlyClaire](https://github.com/ClearlyClaire))
+
diff --git a/CloudronManifest.json b/CloudronManifest.json
index 6122704..b83f81c 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -5,7 +5,7 @@
   "description": "file://DESCRIPTION.md",
   "changelog": "file://CHANGELOG",
   "tagline": "Federated social network",
-  "version": "1.17.7",
+  "version": "1.17.8",
   "upstreamVersion": "4.5.8",
   "healthCheckPath": "/about",
   "httpPort": 8000,