diff --git a/Cargo.lock b/Cargo.lock
index 0f12c31da..6b0cddb07 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1317,7 +1317,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat"
-version = "2.56.0"
+version = "2.57.0-dev"
 dependencies = [
  "anyhow",
  "astral-tokio-tar",
@@ -1425,7 +1425,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-jsonrpc"
-version = "2.56.0"
+version = "2.57.0-dev"
 dependencies = [
  "anyhow",
  "async-channel 2.5.0",
@@ -1446,7 +1446,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-repl"
-version = "2.56.0"
+version = "2.57.0-dev"
 dependencies = [
  "anyhow",
  "deltachat",
@@ -1462,7 +1462,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-rpc-server"
-version = "2.56.0"
+version = "2.57.0-dev"
 dependencies = [
  "anyhow",
  "deltachat",
@@ -1491,7 +1491,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat_ffi"
-version = "2.56.0"
+version = "2.57.0-dev"
 dependencies = [
  "anyhow",
  "deltachat",
diff --git a/Cargo.toml b/Cargo.toml
index e504e6495..c39142f13 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat"
-version = "2.56.0"
+version = "2.57.0-dev"
 edition = "2024"
 license = "MPL-2.0"
 rust-version = "1.89"
diff --git a/deltachat-ffi/Cargo.toml b/deltachat-ffi/Cargo.toml
index 2457ca6a2..84c42c2bc 100644
--- a/deltachat-ffi/Cargo.toml
+++ b/deltachat-ffi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat_ffi"
-version = "2.56.0"
+version = "2.57.0-dev"
 description = "Deltachat FFI"
 edition = "2018"
 readme = "README.md"
diff --git a/deltachat-jsonrpc/Cargo.toml b/deltachat-jsonrpc/Cargo.toml
index 5d0b933a8..5e98c4f1b 100644
--- a/deltachat-jsonrpc/Cargo.toml
+++ b/deltachat-jsonrpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-jsonrpc"
-version = "2.56.0"
+version = "2.57.0-dev"
 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 8d16e490e..2194b5774 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": "2.56.0"
+  "version": "2.57.0-dev"
 }
diff --git a/deltachat-repl/Cargo.toml b/deltachat-repl/Cargo.toml
index bd6e851c0..eda3ed19c 100644
--- a/deltachat-repl/Cargo.toml
+++ b/deltachat-repl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-repl"
-version = "2.56.0"
+version = "2.57.0-dev"
 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 403d3bcf7..093ca9cec 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 = "2.56.0"
+version = "2.57.0-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 2dbf858c8..bc291aa2a 100644
--- a/deltachat-rpc-server/Cargo.toml
+++ b/deltachat-rpc-server/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-rpc-server"
-version = "2.56.0"
+version = "2.57.0-dev"
 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 bb9849dd4..b14c43430 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": "2.56.0"
+  "version": "2.57.0-dev"
 }
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 858b19234..4349ac354 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "deltachat"
-version = "2.56.0"
+version = "2.57.0-dev"
 license = "MPL-2.0"
 description = "Python bindings for the Delta Chat Core library using CFFI against the Rust-implemented libdeltachat"
 readme = "README.rst"