diff --git a/CHANGELOG.md b/CHANGELOG.md
index f45bd2afd..cc0577223 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,39 @@
 # Changelog
 
+## [1.131.9] - 2023-12-02
+
+### API-Changes
+
+- Remove `dc_get_http_response()`, `dc_http_response_get_mimetype()`, `dc_http_response_get_encoding()`, `dc_http_response_get_blob()`, `dc_http_response_get_size()`, `dc_http_response_unref()` and `dc_http_response_t` from cffi.
+- Deprecate CFFI APIs `dc_send_reaction()`, `dc_get_msg_reactions()`, `dc_reactions_get_contacts()`, `dc_reactions_get_by_contact_id()`, `dc_reactions_unref` and `dc_reactions_t`.
+- Make `Contact.is_verified()` return bool.
+
+### Build system
+
+- Switch from fork of iroh to iroh 0.4.2 pre-release.
+
+### Features / Changes
+
+- Send `Chat-Verified` headers in 1:1 chats.
+- Ratelimit IMAP connections ([#4940](https://github.com/deltachat/deltachat-core-rust/pull/4940)).
+- Remove receiver limit on `.xdc` size.
+- Don't affect MimeMessage with "From" and secured headers from encrypted unsigned messages.
+- Sync `Config::{MdnsEnabled,ShowEmails}` across devices ([#4954](https://github.com/deltachat/deltachat-core-rust/pull/4954)).
+- Sync `Config::Displayname` across devices ([#4893](https://github.com/deltachat/deltachat-core-rust/pull/4893)).
+- `Chat::rename_ex`: Don't send sync message if usual message is sent.
+
+### Fixes
+
+- Lock the database when INSERTing a webxdc update, avoid "Database is locked" errors.
+- Use keyring with all private keys when decrypting a message ([#5046](https://github.com/deltachat/deltachat-core-rust/pull/5046)).
+
+### Tests
+
+- Make Result-returning tests produce a line number.
+- Add `test_utils::sync()`.
+- Test inserting lots of webxdc updates.
+- Split `test_sync_alter_chat()` into smaller tests.
+
 ## [1.131.8] - 2023-11-27
 
 ### Features / Changes
@@ -3287,3 +3321,4 @@ https://github.com/deltachat/deltachat-core-rust/pulls?q=is%3Apr+is%3Aclosed
 [1.131.6]: https://github.com/deltachat/deltachat-core-rust/compare/v1.131.5...v1.131.6
 [1.131.7]: https://github.com/deltachat/deltachat-core-rust/compare/v1.131.6...v1.131.7
 [1.131.8]: https://github.com/deltachat/deltachat-core-rust/compare/v1.131.7...v1.131.8
+[1.131.9]: https://github.com/deltachat/deltachat-core-rust/compare/v1.131.8...v1.131.9
diff --git a/Cargo.lock b/Cargo.lock
index cf977d3d6..551b2d30e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1087,7 +1087,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat"
-version = "1.131.8"
+version = "1.131.9"
 dependencies = [
  "ansi_term",
  "anyhow",
@@ -1165,7 +1165,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-jsonrpc"
-version = "1.131.8"
+version = "1.131.9"
 dependencies = [
  "anyhow",
  "async-channel 2.1.1",
@@ -1189,7 +1189,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-repl"
-version = "1.131.8"
+version = "1.131.9"
 dependencies = [
  "ansi_term",
  "anyhow",
@@ -1204,7 +1204,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-rpc-server"
-version = "1.131.8"
+version = "1.131.9"
 dependencies = [
  "anyhow",
  "deltachat",
@@ -1229,7 +1229,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat_ffi"
-version = "1.131.8"
+version = "1.131.9"
 dependencies = [
  "anyhow",
  "deltachat",
diff --git a/Cargo.toml b/Cargo.toml
index c0a312c32..b4c5f12ef 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat"
-version = "1.131.8"
+version = "1.131.9"
 edition = "2021"
 license = "MPL-2.0"
 rust-version = "1.70"
diff --git a/deltachat-ffi/Cargo.toml b/deltachat-ffi/Cargo.toml
index 14cae018e..070c87b15 100644
--- a/deltachat-ffi/Cargo.toml
+++ b/deltachat-ffi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat_ffi"
-version = "1.131.8"
+version = "1.131.9"
 description = "Deltachat FFI"
 edition = "2018"
 readme = "README.md"
diff --git a/deltachat-jsonrpc/Cargo.toml b/deltachat-jsonrpc/Cargo.toml
index 441843e70..583266dbd 100644
--- a/deltachat-jsonrpc/Cargo.toml
+++ b/deltachat-jsonrpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-jsonrpc"
-version = "1.131.8"
+version = "1.131.9"
 description = "DeltaChat JSON-RPC API"
 edition = "2021"
 default-run = "deltachat-jsonrpc-server"
diff --git a/deltachat-jsonrpc/typescript/package.json b/deltachat-jsonrpc/typescript/package.json
index 3fab1be29..16647f368 100644
--- a/deltachat-jsonrpc/typescript/package.json
+++ b/deltachat-jsonrpc/typescript/package.json
@@ -53,5 +53,5 @@
   },
   "type": "module",
   "types": "dist/deltachat.d.ts",
-  "version": "1.131.8"
+  "version": "1.131.9"
 }
diff --git a/deltachat-repl/Cargo.toml b/deltachat-repl/Cargo.toml
index 210ac6222..8eaaffdb8 100644
--- a/deltachat-repl/Cargo.toml
+++ b/deltachat-repl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-repl"
-version = "1.131.8"
+version = "1.131.9"
 license = "MPL-2.0"
 edition = "2021"
 
diff --git a/deltachat-rpc-server/Cargo.toml b/deltachat-rpc-server/Cargo.toml
index 36a14bc71..f1a776347 100644
--- a/deltachat-rpc-server/Cargo.toml
+++ b/deltachat-rpc-server/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-rpc-server"
-version = "1.131.8"
+version = "1.131.9"
 description = "DeltaChat JSON-RPC server"
 edition = "2021"
 readme = "README.md"
diff --git a/package.json b/package.json
index 5123c79ce..b897a3c9d 100644
--- a/package.json
+++ b/package.json
@@ -56,5 +56,5 @@
     "test:mocha": "mocha -r esm node/test/test.js --growl --reporter=spec --bail --exit"
   },
   "types": "node/dist/index.d.ts",
-  "version": "1.131.8"
+  "version": "1.131.9"
 }
diff --git a/release-date.in b/release-date.in
index 8723527ef..1ef17b06c 100644
--- a/release-date.in
+++ b/release-date.in
@@ -1 +1 @@
-2023-11-27
\ No newline at end of file
+2023-12-02
\ No newline at end of file