diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3c6123..a9b1c82 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # Changelog
 
 All notable changes to this project will be documented in this file.
+## [0.9.0] - 2026-07-13
+
 ## [0.8.0] - 2026-05-19
 
 ### Features
diff --git a/README.md b/README.md
index 7ef305b..c0e7279 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@
   </p>
 </div>
 
-_Version: 0.9.1-dev_
+_Version: 0.9.0_
 
 
 Developed by Reversec Labs, `spikee` is a toolkit for assessing the resilience of LLMs, guardrails, and applications against prompt injection and jailbreaking. Spikee's strength is its modular design, which allows for easy customization of every part of the testing process.
diff --git a/pyproject.toml b/pyproject.toml
index 2dde73b..a448caa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "spikee"
-version = "0.9.1-dev"
+version = "0.9.0"
 description = "Spikee - Simple Prompt Injection Kit for Evaluation and Exploitation"
 readme = "README.md"
 keywords = [ "prompt-injection", "LLM", "cyber-security", "pentesting",]
diff --git a/spikee/__init__.py b/spikee/__init__.py
index 0dffdf1..3e2f46a 100644
--- a/spikee/__init__.py
+++ b/spikee/__init__.py
@@ -1 +1 @@
-__version__ = "0.9.1-dev"
+__version__ = "0.9.0"