diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 5aae892..b44f12d 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 6.3.0-alpha.0
+current_version = 6.3.0-alpha.1
 tag = True
 sign_tags = True
 tag_message = EVMC {new_version}
@@ -8,7 +8,7 @@ message = EVMC {new_version}
 	
 	Bump version: {current_version} → {new_version}
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(-(?P<prerel>rc|alpha)\.(?P<prerelver>\d+))?
-serialize =
+serialize = 
 	{major}.{minor}.{patch}-{prerel}.{prerelver}
 	{major}.{minor}.{patch}
 
@@ -41,3 +41,4 @@ search = version = \"{current_version}\"
 serialize = {major}
 search = ABI version {current_version}
 replace = ABI version {new_version}
+
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3c5a585..027819c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,7 +35,7 @@ cable_configure_toolchain(DEFAULT cxx11-pic)
 cable_set_build_type(DEFAULT Release CONFIGURATION_TYPES Debug Release)
 
 project(evmc)
-set(PROJECT_VERSION 6.3.0-alpha.0)
+set(PROJECT_VERSION 6.3.0-alpha.1)
 
 cable_configure_compiler(NO_STACK_PROTECTION)
 
diff --git a/bindings/rust/evmc-declare-tests/Cargo.toml b/bindings/rust/evmc-declare-tests/Cargo.toml
index 6bb7d18..dfd096c 100644
--- a/bindings/rust/evmc-declare-tests/Cargo.toml
+++ b/bindings/rust/evmc-declare-tests/Cargo.toml
@@ -4,7 +4,7 @@
 
 [package]
 name = "evmc-declare-tests"
-version = "6.3.0-alpha.0"
+version = "6.3.0-alpha.1"
 authors = ["Jake Lang <jak3lang@gmail.com>"]
 license = "Apache-2.0"
 repository = "https://github.com/ethereum/evmc"
diff --git a/bindings/rust/evmc-declare/Cargo.toml b/bindings/rust/evmc-declare/Cargo.toml
index 82c30dd..59f1997 100644
--- a/bindings/rust/evmc-declare/Cargo.toml
+++ b/bindings/rust/evmc-declare/Cargo.toml
@@ -4,7 +4,7 @@
 
 [package]
 name = "evmc-declare"
-version = "6.3.0-alpha.0"
+version = "6.3.0-alpha.1"
 authors = ["Jake Lang <jak3lang@gmail.com>"]
 license = "Apache-2.0"
 repository = "https://github.com/ethereum/evmc"
diff --git a/bindings/rust/evmc-sys/Cargo.toml b/bindings/rust/evmc-sys/Cargo.toml
index 9e693df..ed4db4c 100644
--- a/bindings/rust/evmc-sys/Cargo.toml
+++ b/bindings/rust/evmc-sys/Cargo.toml
@@ -4,7 +4,7 @@
 
 [package]
 name = "evmc-sys"
-version = "6.3.0-alpha.0"
+version = "6.3.0-alpha.1"
 authors = ["Alex Beregszaszi <alex@rtfs.hu>"]
 license = "Apache-2.0"
 repository = "https://github.com/ethereum/evmc"
diff --git a/bindings/rust/evmc-vm/Cargo.toml b/bindings/rust/evmc-vm/Cargo.toml
index d1d23ab..dcee6fe 100644
--- a/bindings/rust/evmc-vm/Cargo.toml
+++ b/bindings/rust/evmc-vm/Cargo.toml
@@ -4,7 +4,7 @@
 
 [package]
 name = "evmc-vm"
-version = "6.3.0-alpha.0"
+version = "6.3.0-alpha.1"
 authors = ["Alex Beregszaszi <alex@rtfs.hu>", "Jake Lang <jak3lang@gmail.com>"]
 license = "Apache-2.0"
 repository = "https://github.com/ethereum/evmc"