diff --git a/CHANGELOG.md b/CHANGELOG.md
index 823dc31..21d54a0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.2.0] - 2024-01-11
+
 ### Added
 
 - `CICKind.get_entrypoint`: Returns the entrypoint address that would be used
@@ -76,6 +78,7 @@ version of the library.
 - Initial relase
 
 [unreleased]: https://github.com/Decompollaborate/ipl3checksum/compare/main...develop
+[1.2.0]: https://github.com/Decompollaborate/ipl3checksum/compare/1.1.1...1.2.0
 [1.1.1]: https://github.com/Decompollaborate/ipl3checksum/compare/1.1.0...1.1.1
 [1.1.0]: https://github.com/Decompollaborate/ipl3checksum/compare/1.0.1...1.1.0
 [1.0.1]: https://github.com/Decompollaborate/ipl3checksum/compare/1.0.0...1.0.1
diff --git a/Cargo.lock b/Cargo.lock
index 583a862..8a369fc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -34,7 +34,7 @@ checksum = "1e186cfbae8084e513daff4240b4797e342f988cecda4fb6c939150f96315fd8"
 
 [[package]]
 name = "ipl3checksum"
-version = "1.1.2"
+version = "1.2.0"
 dependencies = [
  "md5",
  "pyo3",
diff --git a/Cargo.toml b/Cargo.toml
index e5d1ae7..d434698 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@
 [package]
 name = "ipl3checksum"
 # Version should be synced with src/ipl3checksum/__init__.py, pyproject.toml and src/rs/version.rs
-version = "1.1.2"
+version = "1.2.0"
 edition = "2021"
 description = "Library to calculate the IPL3 checksum for N64 ROMs"
 repository = "https://github.com/decompollaborate/ipl3checksum"
diff --git a/pyproject.toml b/pyproject.toml
index dcbb787..6248e47 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@
 [project]
 name = "ipl3checksum"
 # Version should be synced with src/ipl3checksum/__init__.py, Cargo.toml and src/rs/version.rs
-version = "1.1.2.dev0"
+version = "1.2.0"
 description = "Library to calculate the IPL3 checksum for N64 ROMs"
 readme = "README.md"
 requires-python = ">=3.7"
diff --git a/src/ipl3checksum/__init__.py b/src/ipl3checksum/__init__.py
index 211b6e6..372d033 100644
--- a/src/ipl3checksum/__init__.py
+++ b/src/ipl3checksum/__init__.py
@@ -6,8 +6,8 @@
 from __future__ import annotations
 
 # Version should be synced with pyproject.toml, Cargo.toml and src/rs/version.rs
-__version_info__: tuple[int, int, int] = (1, 1, 2)
-__version__ = ".".join(map(str, __version_info__)) + ".dev0"
+__version_info__: tuple[int, int, int] = (1, 2, 0)
+__version__ = ".".join(map(str, __version_info__))
 __author__ = "Decompollaborate"
 
 from .ipl3checksum import *
diff --git a/src/rs/version.rs b/src/rs/version.rs
index 6a982a8..eccf704 100644
--- a/src/rs/version.rs
+++ b/src/rs/version.rs
@@ -3,13 +3,13 @@
 
 // Version should be synced with pyproject.toml, Cargo.toml and src/ipl3checksum/__init__.py
 pub static VERSION_MAJOR: i32 = 1;
-pub static VERSION_MINOR: i32 = 1;
-pub static VERSION_PATCH: i32 = 2;
+pub static VERSION_MINOR: i32 = 2;
+pub static VERSION_PATCH: i32 = 0;
 
 pub static VERSION_INFO: (i32, i32, i32) = (VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH);
 
 // TODO: figure out a way to construct this string by using VERSION_MAJOR, VERSION_MINOR and VERSION_PATCH (concat! and stringify! didn't work)
-pub static VERSION_STR: &str = "1.1.2";
+pub static VERSION_STR: &str = "1.2.0";
 
 pub static AUTHOR: &str = "Decompollaborate";
 
@@ -24,7 +24,7 @@ mod c_bindings {
 
     // TODO: construct this from super::VERSION_STR
     #[no_mangle]
-    static ipl3checksum_version_str: &[u8] = b"1.1.2\0";
+    static ipl3checksum_version_str: &[u8] = b"1.2.0\0";
 
     // TODO: construct this from super::AUTHOR
     #[no_mangle]