diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c9f215d99..852d3e4b5d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,48 @@
 # Changelog
 
+## [1.137.4] - 2024-04-24
+
+### API-Changes
+
+- [**breaking**] Remove `Stream` implementation for `EventEmitter`.
+- Experimental Webxdc Integration API, Maps Integration ([#5461](https://github.com/deltachat/deltachat-core-rust/pull/5461)).
+
+### Features / Changes
+
+- Add progressive backoff for failing IMAP connection attempts ([#5443](https://github.com/deltachat/deltachat-core-rust/pull/5443)).
+- Replace event channel with broadcast channel.
+- Mark contact request messages as seen on IMAP.
+
+### Fixes
+
+- Convert images to RGB8 (without alpha) before encoding into JPEG to fix sending of large RGBA images.
+- Don't set `is_bot` for webxdc status updates ([#5445](https://github.com/deltachat/deltachat-core-rust/pull/5445)).
+- Do not fail if Autocrypt Setup Message has no encryption preference to fix key transfer from K-9 Mail to Delta Chat.
+- Use only CRLF in Autocrypt Setup Message.
+- python: Use cached message object if `dc_get_msg()` returns `NULL`.
+- python: `Message::is_outgoing`: Don't reload message from db.
+- python: `_map_ffi_event`: Always check if `get_message_by_id()` returned None.
+- node: Undefine `NAPI_EXPERIMENTAL` to fix build with new clang.
+
+### Build system
+
+- nix: Add `imap-tools` as `deltachat-rpc-client` dependency.
+- nix: Add `./deltachat-contact-tools` to sources.
+- nix: Update nix flake.
+- deps: Update rustls to 0.21.11.
+
+### Documentation
+
+- Update references to SecureJoin protocols.
+- Fix broken references in documentation comments.
+
+### Refactor
+
+- imap: remove `RwLock` from `ratelimit`.
+- deltachat-ffi: Remove unused `ResultNullableExt`.
+- Remove duplicate clippy exceptions.
+- Group `use` at the top of the test modules.
+
 ## [1.137.3] - 2024-04-16
 
 ### API-Changes
@@ -3939,3 +3982,4 @@ https://github.com/deltachat/deltachat-core-rust/pulls?q=is%3Apr+is%3Aclosed
 [1.137.1]: https://github.com/deltachat/deltachat-core-rust/compare/v1.137.0...v1.137.1
 [1.137.2]: https://github.com/deltachat/deltachat-core-rust/compare/v1.137.1...v1.137.2
 [1.137.3]: https://github.com/deltachat/deltachat-core-rust/compare/v1.137.2...v1.137.3
+[1.137.4]: https://github.com/deltachat/deltachat-core-rust/compare/v1.137.3...v1.137.4
diff --git a/Cargo.lock b/Cargo.lock
index ec870a82e6..17cb156217 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1157,7 +1157,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat"
-version = "1.137.3"
+version = "1.137.4"
 dependencies = [
  "ansi_term",
  "anyhow",
@@ -1249,7 +1249,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-jsonrpc"
-version = "1.137.3"
+version = "1.137.4"
 dependencies = [
  "anyhow",
  "async-channel 2.2.0",
@@ -1273,7 +1273,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-repl"
-version = "1.137.3"
+version = "1.137.4"
 dependencies = [
  "ansi_term",
  "anyhow",
@@ -1288,7 +1288,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-rpc-server"
-version = "1.137.3"
+version = "1.137.4"
 dependencies = [
  "anyhow",
  "deltachat",
@@ -1317,7 +1317,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat_ffi"
-version = "1.137.3"
+version = "1.137.4"
 dependencies = [
  "anyhow",
  "deltachat",
diff --git a/Cargo.toml b/Cargo.toml
index 3f95fb942c..1c66c578b5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat"
-version = "1.137.3"
+version = "1.137.4"
 edition = "2021"
 license = "MPL-2.0"
 rust-version = "1.77"
diff --git a/deltachat-ffi/Cargo.toml b/deltachat-ffi/Cargo.toml
index a5ee212018..c658563932 100644
--- a/deltachat-ffi/Cargo.toml
+++ b/deltachat-ffi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat_ffi"
-version = "1.137.3"
+version = "1.137.4"
 description = "Deltachat FFI"
 edition = "2018"
 readme = "README.md"
diff --git a/deltachat-jsonrpc/Cargo.toml b/deltachat-jsonrpc/Cargo.toml
index ca0f8cd2a0..5b7ac786f5 100644
--- a/deltachat-jsonrpc/Cargo.toml
+++ b/deltachat-jsonrpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-jsonrpc"
-version = "1.137.3"
+version = "1.137.4"
 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 170b034382..a1010d5e97 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": "1.137.3"
+  "version": "1.137.4"
 }
diff --git a/deltachat-repl/Cargo.toml b/deltachat-repl/Cargo.toml
index 9b5faa6bb7..f666b9d613 100644
--- a/deltachat-repl/Cargo.toml
+++ b/deltachat-repl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-repl"
-version = "1.137.3"
+version = "1.137.4"
 license = "MPL-2.0"
 edition = "2021"
 repository = "https://github.com/deltachat/deltachat-core-rust"
diff --git a/deltachat-rpc-client/pyproject.toml b/deltachat-rpc-client/pyproject.toml
index 4b89c057ee..238fb5945a 100644
--- a/deltachat-rpc-client/pyproject.toml
+++ b/deltachat-rpc-client/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "deltachat-rpc-client"
-version = "1.137.3"
+version = "1.137.4"
 description = "Python client for Delta Chat core JSON-RPC interface"
 classifiers = [
     "Development Status :: 5 - Production/Stable",
diff --git a/deltachat-rpc-server/Cargo.toml b/deltachat-rpc-server/Cargo.toml
index b4bb7c48cd..9ac72882c4 100644
--- a/deltachat-rpc-server/Cargo.toml
+++ b/deltachat-rpc-server/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-rpc-server"
-version = "1.137.3"
+version = "1.137.4"
 description = "DeltaChat JSON-RPC server"
 edition = "2021"
 readme = "README.md"
diff --git a/package.json b/package.json
index bbbffa05dd..f4310052e0 100644
--- a/package.json
+++ b/package.json
@@ -55,5 +55,5 @@
     "test:mocha": "mocha node/test/test.mjs --growl --reporter=spec --bail --exit"
   },
   "types": "node/dist/index.d.ts",
-  "version": "1.137.3"
+  "version": "1.137.4"
 }
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 6089753380..75469b4a62 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "deltachat"
-version = "1.137.3"
+version = "1.137.4"
 description = "Python bindings for the Delta Chat Core library using CFFI against the Rust-implemented libdeltachat"
 readme = "README.rst"
 requires-python = ">=3.7"
diff --git a/release-date.in b/release-date.in
index fabfaf0bde..72341b16e5 100644
--- a/release-date.in
+++ b/release-date.in
@@ -1 +1 @@
-2024-04-16
\ No newline at end of file
+2024-04-24
\ No newline at end of file