diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index b44f12d..ae1451f 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 6.3.0-alpha.1
+current_version = 6.3.0
 tag = True
 sign_tags = True
 tag_message = EVMC {new_version}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9e34c2e..eb5f829 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ Documentation of all notable changes to the **EVMC** project.
 The format is based on [Keep a Changelog],
 and this project adheres to [Semantic Versioning].
 
-## [6.3.0] - unreleased
+## [6.3.0] - 2019-08-12
 
 ### Added
 
@@ -319,7 +319,7 @@ and this project adheres to [Semantic Versioning].
   [[#52](https://github.com/ethereum/evmc/pull/52)]
 
 
-[6.3.0]: https://github.com/ethereum/evmc/compare/v6.2.1...master
+[6.3.0]: https://github.com/ethereum/evmc/releases/tag/v6.3.0
 [6.2.2]: https://github.com/ethereum/evmc/releases/tag/v6.2.2
 [6.2.1]: https://github.com/ethereum/evmc/releases/tag/v6.2.1
 [6.2.0]: https://github.com/ethereum/evmc/releases/tag/v6.2.0
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e199898..2923705 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,7 +37,7 @@ 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.1)
+set(PROJECT_VERSION 6.3.0)
 
 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 dfd096c..456b695 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.1"
+version = "6.3.0"
 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 59f1997..225ebfa 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.1"
+version = "6.3.0"
 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 91984c3..21d4869 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.1"
+version = "6.3.0"
 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 dcee6fe..2ea45d2 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.1"
+version = "6.3.0"
 authors = ["Alex Beregszaszi <alex@rtfs.hu>", "Jake Lang <jak3lang@gmail.com>"]
 license = "Apache-2.0"
 repository = "https://github.com/ethereum/evmc"