diff --git a/CHANGELOG.md b/CHANGELOG.md
index 83ff51c93..53066d61b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## [2.31.0] - 2025-12-04
+
+### CI
+
+- Update npm before publishing packages.
+
+### Features / Changes
+
+- Use v2 SEIPD when sending messages to self.
+
 ## [2.30.0] - 2025-12-04
 
 ### Features / Changes
@@ -7339,3 +7349,4 @@ https://github.com/chatmail/core/pulls?q=is%3Apr+is%3Aclosed
 [2.28.0]: https://github.com/chatmail/core/compare/v2.27.0..v2.28.0
 [2.29.0]: https://github.com/chatmail/core/compare/v2.28.0..v2.29.0
 [2.30.0]: https://github.com/chatmail/core/compare/v2.29.0..v2.30.0
+[2.31.0]: https://github.com/chatmail/core/compare/v2.30.0..v2.31.0
diff --git a/Cargo.lock b/Cargo.lock
index 52eccf7e8..c1e1db696 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1304,7 +1304,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat"
-version = "2.30.0"
+version = "2.31.0"
 dependencies = [
  "anyhow",
  "astral-tokio-tar",
@@ -1413,7 +1413,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-jsonrpc"
-version = "2.30.0"
+version = "2.31.0"
 dependencies = [
  "anyhow",
  "async-channel 2.5.0",
@@ -1435,7 +1435,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-repl"
-version = "2.30.0"
+version = "2.31.0"
 dependencies = [
  "anyhow",
  "deltachat",
@@ -1451,7 +1451,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-rpc-server"
-version = "2.30.0"
+version = "2.31.0"
 dependencies = [
  "anyhow",
  "deltachat",
@@ -1480,7 +1480,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat_ffi"
-version = "2.30.0"
+version = "2.31.0"
 dependencies = [
  "anyhow",
  "deltachat",
diff --git a/Cargo.toml b/Cargo.toml
index 575ae7fcb..8b344c06f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat"
-version = "2.30.0"
+version = "2.31.0"
 edition = "2024"
 license = "MPL-2.0"
 rust-version = "1.88"
diff --git a/deltachat-ffi/Cargo.toml b/deltachat-ffi/Cargo.toml
index 235083ce1..71a549444 100644
--- a/deltachat-ffi/Cargo.toml
+++ b/deltachat-ffi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat_ffi"
-version = "2.30.0"
+version = "2.31.0"
 description = "Deltachat FFI"
 edition = "2018"
 readme = "README.md"
diff --git a/deltachat-jsonrpc/Cargo.toml b/deltachat-jsonrpc/Cargo.toml
index cda2388b0..39887b0c2 100644
--- a/deltachat-jsonrpc/Cargo.toml
+++ b/deltachat-jsonrpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-jsonrpc"
-version = "2.30.0"
+version = "2.31.0"
 description = "DeltaChat JSON-RPC API"
 edition = "2021"
 license = "MPL-2.0"
diff --git a/deltachat-jsonrpc/typescript/package.json b/deltachat-jsonrpc/typescript/package.json
index c0221013b..1bd024a16 100644
--- a/deltachat-jsonrpc/typescript/package.json
+++ b/deltachat-jsonrpc/typescript/package.json
@@ -54,5 +54,5 @@
   },
   "type": "module",
   "types": "dist/deltachat.d.ts",
-  "version": "2.30.0"
+  "version": "2.31.0"
 }
diff --git a/deltachat-repl/Cargo.toml b/deltachat-repl/Cargo.toml
index c391088fd..68ee6f0d8 100644
--- a/deltachat-repl/Cargo.toml
+++ b/deltachat-repl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-repl"
-version = "2.30.0"
+version = "2.31.0"
 license = "MPL-2.0"
 edition = "2021"
 repository = "https://github.com/chatmail/core"
diff --git a/deltachat-rpc-client/pyproject.toml b/deltachat-rpc-client/pyproject.toml
index 869364454..7383be57b 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 = "2.30.0"
+version = "2.31.0"
 license = "MPL-2.0"
 description = "Python client for Delta Chat core JSON-RPC interface"
 classifiers = [
diff --git a/deltachat-rpc-server/Cargo.toml b/deltachat-rpc-server/Cargo.toml
index 2b2f19466..b30048c4c 100644
--- a/deltachat-rpc-server/Cargo.toml
+++ b/deltachat-rpc-server/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-rpc-server"
-version = "2.30.0"
+version = "2.31.0"
 description = "DeltaChat JSON-RPC server"
 edition = "2021"
 readme = "README.md"
diff --git a/deltachat-rpc-server/npm-package/package.json b/deltachat-rpc-server/npm-package/package.json
index 5ceb95012..5412d4208 100644
--- a/deltachat-rpc-server/npm-package/package.json
+++ b/deltachat-rpc-server/npm-package/package.json
@@ -15,5 +15,5 @@
   },
   "type": "module",
   "types": "index.d.ts",
-  "version": "2.30.0"
+  "version": "2.31.0"
 }
diff --git a/python/pyproject.toml b/python/pyproject.toml
index e0180ff1f..ff3bc3697 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "deltachat"
-version = "2.30.0"
+version = "2.31.0"
 license = "MPL-2.0"
 description = "Python bindings for the Delta Chat Core library using CFFI against the Rust-implemented libdeltachat"
 readme = "README.rst"