diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3decbf..440850e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.7.0](https://github.com/deepcausality-rs/deep_causality/compare/deep_causality-v0.6.5...deep_causality-v0.7.0) - 2024-01-25
+
+### Other
+- Replaced Cell types with Arc/RwLock to make interior mutability thread safe.
+
 ## [0.6.5](https://github.com/deepcausality-rs/deep_causality/compare/deep_causality-v0.6.4...deep_causality-v0.6.5) - 2024-01-25
 
 ### Other
diff --git a/deep_causality/Cargo.toml b/deep_causality/Cargo.toml
index 4da6af5..dd8688e 100644
--- a/deep_causality/Cargo.toml
+++ b/deep_causality/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deep_causality"
-version = "0.6.5"
+version = "0.7.0"
 edition = "2021"
 rust-version = "1.65"
 readme = "../README.md"