diff --git a/CHANGELOG.md b/CHANGELOG.md
index d96a918..80e0e80 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.2.1 /2025-05-22
+
+## What's Changed
+* Add proper mock support by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/123
+* Handle Incorrect Timeouts by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/124
+
+**Full Changelog**: https://github.com/opentensor/async-substrate-interface/compare/v1.2.1...v1.2.2
+
 ## 1.2.1 /2025-05-12
 
 ## What's Changed
diff --git a/pyproject.toml b/pyproject.toml
index 769da94..2f65c1c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "async-substrate-interface"
-version = "1.2.1"
+version = "1.2.2"
 description = "Asyncio library for interacting with substrate. Mostly API-compatible with py-substrate-interface"
 readme = "README.md"
 license = { file = "LICENSE" }