diff --git a/changelog.md b/changelog.md
index 0bd4bb40..b4502864 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,11 @@
+# 9.0.0
+
+Saves from 8.x are not compatible with 9.0.0.
+
+## Features/Improvements
+
+## Fixes
+
 # 8.0.0
 
 Saves from 7.x are not compatible with 8.0.
diff --git a/docs/conf.py b/docs/conf.py
index 1ac47c31..b9d756cc 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -9,7 +9,7 @@
 project = "DCS Liberation"
 copyright = "2023, DCS Liberation Team"
 author = "DCS Liberation Team"
-release = "8.0.0"
+release = "9.0.0"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
diff --git a/game/version.py b/game/version.py
index b8fbdef9..e6b0af36 100644
--- a/game/version.py
+++ b/game/version.py
@@ -1,7 +1,7 @@
 from pathlib import Path
 
 
-MAJOR_VERSION = 8
+MAJOR_VERSION = 9
 MINOR_VERSION = 0
 MICRO_VERSION = 0
 VERSION_NUMBER = ".".join(str(v) for v in (MAJOR_VERSION, MINOR_VERSION, MICRO_VERSION))