diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7832d0b..6420245 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,17 @@
+## [0.4.0](https://github.com/propeller-heads/tycho-execution/compare/0.3.0...0.4.0) (2025-01-20)
+
+
+### Features
+
+* Add Slither to CI ([f0620bd](https://github.com/propeller-heads/tycho-execution/commit/f0620bd18043d7d53daf5660493955e131f27e5a))
+* Add Slither to README.md and include contract file to test ([2998bb3](https://github.com/propeller-heads/tycho-execution/commit/2998bb3fb15709cac0f844ae662d4e20db9371fc))
+
+
+### Bug Fixes
+
+* Bump to latest Solidity version (0.8.28) ([f987125](https://github.com/propeller-heads/tycho-execution/commit/f987125489ce1e31d1046009c0fee6f728cfe359)), closes [src/Counter.sol#2](https://github.com/src/Counter.sol/issues/2)
+* Specify foundry subdir when running slither in CI ([40f0a2a](https://github.com/propeller-heads/tycho-execution/commit/40f0a2a2b7c06003a20a6b7c81ce8887b8ddc10a))
+
 ## [0.3.0](https://github.com/propeller-heads/tycho-execution/compare/0.2.0...0.3.0) (2025-01-17)
 
 
diff --git a/Cargo.lock b/Cargo.lock
index 3779988..6c9ba4c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3039,7 +3039,7 @@ dependencies = [
 
 [[package]]
 name = "tycho-execution"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "alloy",
  "alloy-primitives",
diff --git a/Cargo.toml b/Cargo.toml
index a1d7672..7f672b6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tycho-execution"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 
 [dependencies]