diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..459122e
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,19 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## v0.1.0 - 2024-08-??
+
+### Added
+
+- Main window, borderless and always-on-top.
+- Basic controls: `ESC` to quit, `Left Click` to move the window around.
+- Dog states: `idle`, `idle and bark`, `walk`, `walk and bark`, `sit`, `sit and bark`, `lie down`, `lie down and bark`., `run`, `run and bark`, `stand`, `stand and bark`, `sleep`.
+- Dog basic AI using Markov chains.
+- 10 Dog sprites from **Pixel Dogs** by [Benvictus](https://benvictus.itch.io/pixel-dogs).
+- Mountain biome.
+- Infinite dog walking loop. When the dog reaches the end of the screen, it appears on the opposite side.
+- Application icon and splash screen.
diff --git a/Taskfile.yml b/Taskfile.yml
index 78a572a..3b39a54 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -22,4 +22,13 @@ tasks:
     desc: Run tests.
     cmds:
     - pytest tests/
-    - mypy
+    - mypy
+
+  bump-version:
+    desc: Bump version, define target version with "VERSION=*.*.*".
+    silent: true
+    vars:
+      VERSION: '{{.VERSION}}'
+    cmds:
+    - sed -i "s/^\(version = \"\)\(.\)*\"/\1{{.VERSION}}\"/" pyproject.toml
+    - echo "Version replaced by {{.VERSION}} in 'pyproject.toml'"
diff --git a/pyproject.toml b/pyproject.toml
index 1a32448..7017c71 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [tool.poetry]
 name = "doggo"
 version = "0.1.0"
-description = ""
+description = "A basic dog AI using Markov chain and pygame."
 authors = ["u8slvn <u8slvn@gmail.com>"]
 license = "LGPL-3.0"
 readme = "README.md"
diff --git a/src/doggo/config.py b/src/doggo/config.py
index 786a1b0..e5467a7 100644
--- a/src/doggo/config.py
+++ b/src/doggo/config.py
@@ -17,7 +17,7 @@
 # --- World configuration ---
 
 WORLD_TITLE = "Doggo"
-WORLD_FPS = 60
+WORLD_FPS = 30
 WORLD_WIDTH = 350
 WORLD_HEIGHT = 100
 WORLD_GROUND_HEIGHT = 15  # The size of the ground.