diff --git a/Cargo.toml b/Cargo.toml
index b88e04a0c..2b5cf1c54 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat"
-version = "1.0.0-alpha.0"
+version = "1.0.0-alpha.1"
 authors = ["dignifiedquire <dignifiedquire@gmail.com>"]
 edition = "2018"
 license = "MPL"
diff --git a/deltachat-ffi/Cargo.toml b/deltachat-ffi/Cargo.toml
index 0026c82c5..5df91a47b 100644
--- a/deltachat-ffi/Cargo.toml
+++ b/deltachat-ffi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat_ffi"
-version = "1.0.0-alpha.0"
+version = "1.0.0-alpha.1"
 description = "Deltachat FFI"
 authors = ["dignifiedquire <dignifiedquire@gmail.com>"]
 edition = "2018"
diff --git a/src/constants.rs b/src/constants.rs
index ce9b17aba..237df3f83 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -1,6 +1,6 @@
 //! Constants
 
-pub const DC_VERSION_STR: &'static [u8; 14] = b"1.0.0-alpha.0\x00";
+pub const DC_VERSION_STR: &'static [u8; 14] = b"1.0.0-alpha.1\x00";
 
 pub const DC_MOVE_STATE_MOVING: u32 = 3;
 pub const DC_MOVE_STATE_STAY: u32 = 2;