diff --git a/Cargo.lock b/Cargo.lock
index 41ba0b40a..931727fec 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1334,7 +1334,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat"
-version = "2.63.0"
+version = "2.64.0-dev"
 dependencies = [
  "anyhow",
  "astral-tokio-tar",
@@ -1440,7 +1440,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-jsonrpc"
-version = "2.63.0"
+version = "2.64.0-dev"
 dependencies = [
  "anyhow",
  "async-channel 2.5.0",
@@ -1461,14 +1461,14 @@ dependencies = [
 
 [[package]]
 name = "deltachat-jsonrpc-bindings"
-version = "2.63.0"
+version = "2.64.0-dev"
 dependencies = [
  "deltachat-jsonrpc",
 ]
 
 [[package]]
 name = "deltachat-repl"
-version = "2.63.0"
+version = "2.64.0-dev"
 dependencies = [
  "anyhow",
  "deltachat",
@@ -1484,7 +1484,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-rpc-server"
-version = "2.63.0"
+version = "2.64.0-dev"
 dependencies = [
  "anyhow",
  "deltachat",
@@ -1514,7 +1514,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat_ffi"
-version = "2.63.0"
+version = "2.64.0-dev"
 dependencies = [
  "anyhow",
  "deltachat",
diff --git a/Cargo.toml b/Cargo.toml
index f3d93ca34..8f1f62728 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat"
-version = "2.63.0"
+version = "2.64.0-dev"
 edition = "2024"
 license = "MPL-2.0"
 rust-version = "1.89"
diff --git a/deltachat-ffi/Cargo.toml b/deltachat-ffi/Cargo.toml
index acc62ed1a..7cc1b0264 100644
--- a/deltachat-ffi/Cargo.toml
+++ b/deltachat-ffi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat_ffi"
-version = "2.63.0"
+version = "2.64.0-dev"
 description = "Deltachat FFI"
 edition = "2024"
 license = "MPL-2.0"
diff --git a/deltachat-jsonrpc-bindings/Cargo.toml b/deltachat-jsonrpc-bindings/Cargo.toml
index 5889f1916..9ca57741e 100644
--- a/deltachat-jsonrpc-bindings/Cargo.toml
+++ b/deltachat-jsonrpc-bindings/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-jsonrpc-bindings"
-version = "2.63.0"
+version = "2.64.0-dev"
 description = "Autogenerate DeltaChat JSON-RPC API bindings at build time"
 edition = "2024"
 license = "MPL-2.0"
diff --git a/deltachat-jsonrpc-bindings/typescript/package.json b/deltachat-jsonrpc-bindings/typescript/package.json
index 5fb1573b7..52636e68d 100644
--- a/deltachat-jsonrpc-bindings/typescript/package.json
+++ b/deltachat-jsonrpc-bindings/typescript/package.json
@@ -54,5 +54,5 @@
   },
   "type": "module",
   "types": "dist/deltachat.d.ts",
-  "version": "2.63.0"
+  "version": "2.64.0-dev"
 }
diff --git a/deltachat-jsonrpc/Cargo.toml b/deltachat-jsonrpc/Cargo.toml
index c9984bb72..8e93c9118 100644
--- a/deltachat-jsonrpc/Cargo.toml
+++ b/deltachat-jsonrpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-jsonrpc"
-version = "2.63.0"
+version = "2.64.0-dev"
 description = "DeltaChat JSON-RPC API"
 edition = "2024"
 license = "MPL-2.0"
diff --git a/deltachat-repl/Cargo.toml b/deltachat-repl/Cargo.toml
index 588c499ae..83ae2bb84 100644
--- a/deltachat-repl/Cargo.toml
+++ b/deltachat-repl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-repl"
-version = "2.63.0"
+version = "2.64.0-dev"
 license = "MPL-2.0"
 edition = "2024"
 repository = "https://github.com/chatmail/core"
diff --git a/deltachat-rpc-client/pyproject.toml b/deltachat-rpc-client/pyproject.toml
index eb522d960..4b59bb6b3 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 = "2.63.0"
+version = "2.64.0-dev"
 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 2c4b5949e..ff9cc56da 100644
--- a/deltachat-rpc-server/Cargo.toml
+++ b/deltachat-rpc-server/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-rpc-server"
-version = "2.63.0"
+version = "2.64.0-dev"
 description = "DeltaChat JSON-RPC server"
 edition = "2024"
 license = "MPL-2.0"
diff --git a/deltachat-rpc-server/npm-package/package.json b/deltachat-rpc-server/npm-package/package.json
index a060067ef..0b6fc4c21 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": "2.63.0"
+  "version": "2.64.0-dev"
 }
diff --git a/python/pyproject.toml b/python/pyproject.toml
index bf12e4c2a..dd33263ed 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "deltachat"
-version = "2.63.0"
+version = "2.64.0-dev"
 license = "MPL-2.0"
 description = "Python bindings for the Delta Chat Core library using CFFI against the Rust-implemented libdeltachat"
 readme = "README.rst"