diff --git a/CHANGES.md b/CHANGES.md
index b6584143..62493f2c 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## Dendrite 0.15.2 (2025-08-15)
+
+### Bug fixes
+ - Fixed an issue which could cause Dendrite to crash on startup if the room state lacked a create event.
+
 ## Dendrite 0.15.1 (2025-08-13)
 
 ### Bug fixes
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 02842440..1b2e0175 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -8,7 +8,7 @@ This is the repository for Dendrite, a second-generation Matrix homeserver writt
 
 We ask that everybody who contributes to this project signs off their contributions, as explained below.
 
-We follow a simple 'inbound=outbound' model for contributions: the act of submitting an 'inbound' contribution means that the contributor agrees to license their contribution under the same terms as the project's overall 'outbound' license - in our case, this is Apache Software License v2 (see [LICENSE](./LICENSE)).
+We follow a simple 'inbound=outbound' model for contributions: the act of submitting an 'inbound' contribution means that the contributor agrees to license their contribution under the same terms as the project's overall 'outbound' license - in our case, this is GNU Affero General Public License v3 (see [LICENSE](./LICENSE)). Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
 
 In order to have a concrete record that your contribution is intentional and you agree to license it under the same terms as the project's license, we've adopted the same lightweight approach used by the [Linux Kernel](https://www.kernel.org/doc/html/latest/process/submitting-patches.html), [Docker](https://github.com/docker/docker/blob/master/CONTRIBUTING.md), and many other projects: the [Developer Certificate of Origin](https://developercertificate.org/) (DCO). This is a simple declaration that you wrote the contribution or otherwise have the right to contribute it to Matrix:
 
diff --git a/go.mod b/go.mod
index 05ed6356..2bfea799 100644
--- a/go.mod
+++ b/go.mod
@@ -25,7 +25,7 @@ require (
 	github.com/matrix-org/dugong v0.0.0-20210921133753-66e6b1c67e2e
 	github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91
 	github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530
-	github.com/matrix-org/gomatrixserverlib v0.0.0-20250813150445-9f5070a65744
+	github.com/matrix-org/gomatrixserverlib v0.0.0-20250815065806-6697d93cbcba
 	github.com/matrix-org/pinecone v0.11.1-0.20230810010612-ea4c33717fd7
 	github.com/matrix-org/util v0.0.0-20221111132719-399730281e66
 	github.com/mattn/go-sqlite3 v1.14.28
diff --git a/go.sum b/go.sum
index 1e393896..7a1d9b68 100644
--- a/go.sum
+++ b/go.sum
@@ -239,6 +239,10 @@ github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530 h1:kHKxCOLcHH8
 github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530/go.mod h1:/gBX06Kw0exX1HrwmoBibFA98yBk/jxKpGVeyQbff+s=
 github.com/matrix-org/gomatrixserverlib v0.0.0-20250813150445-9f5070a65744 h1:5GvC2FD9O/PhuyY95iJQdNYHbDioEhMWdeMP9maDUL8=
 github.com/matrix-org/gomatrixserverlib v0.0.0-20250813150445-9f5070a65744/go.mod h1:b6KVfDjXjA5Q7vhpOaMqIhFYvu5BuFVZixlNeTV/CLc=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20250814102638-60b9d3e5b634 h1:5MDrrj6hsTEW7Hv7rnWtSUQ4T4SUncFWQQG7vlrXnWw=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20250814102638-60b9d3e5b634/go.mod h1:b6KVfDjXjA5Q7vhpOaMqIhFYvu5BuFVZixlNeTV/CLc=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20250815065806-6697d93cbcba h1:vUUjTOXZ/bYdF/SmJPH8HZ/UTmvw+ldngFKVLElmn+I=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20250815065806-6697d93cbcba/go.mod h1:b6KVfDjXjA5Q7vhpOaMqIhFYvu5BuFVZixlNeTV/CLc=
 github.com/matrix-org/pinecone v0.11.1-0.20230810010612-ea4c33717fd7 h1:6t8kJr8i1/1I5nNttw6nn1ryQJgzVlBmSGgPiiaTdw4=
 github.com/matrix-org/pinecone v0.11.1-0.20230810010612-ea4c33717fd7/go.mod h1:ReWMS/LoVnOiRAdq9sNUC2NZnd1mZkMNB52QhpTRWjg=
 github.com/matrix-org/util v0.0.0-20221111132719-399730281e66 h1:6z4KxomXSIGWqhHcfzExgkH3Z3UkIXry4ibJS4Aqz2Y=
diff --git a/internal/version.go b/internal/version.go
index bb253f2d..c6929ee6 100644
--- a/internal/version.go
+++ b/internal/version.go
@@ -18,7 +18,7 @@ var build string
 const (
 	VersionMajor = 0
 	VersionMinor = 15
-	VersionPatch = 1
+	VersionPatch = 2
 	VersionTag   = "" // example: "rc1"
 
 	gitRevLen = 7 // 7 matches the displayed characters on github.com