diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5407fdfb..9b8c86f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.21](https://github.com/primitivefinance/arbiter/compare/arbiter-v0.4.20...arbiter-v0.4.21) - 2024-05-02
+
+### Other
+- *(deps)* bump serde from 1.0.198 to 1.0.200 ([#964](https://github.com/primitivefinance/arbiter/pull/964))
+- *(deps)* bump hashbrown from 0.14.3 to 0.14.5 ([#963](https://github.com/primitivefinance/arbiter/pull/963))
+
 ## [0.4.20](https://github.com/primitivefinance/arbiter/compare/arbiter-v0.4.19...arbiter-v0.4.20) - 2024-04-26
 
 ### Added
diff --git a/Cargo.lock b/Cargo.lock
index f5046c37..2e36fcc9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -213,13 +213,13 @@ checksum = "f538837af36e6f6a9be0faa67f9a314f8119e4e4b5867c6ab40ed60360142519"
 
 [[package]]
 name = "arbiter"
-version = "0.4.20"
+version = "0.4.21"
 dependencies = [
  "Inflector",
  "anyhow",
- "arbiter-bindings 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "arbiter-core 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "arbiter-engine 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arbiter-bindings 0.1.7",
+ "arbiter-core 0.11.0",
+ "arbiter-engine 0.4.0",
  "arbiter-macros 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "assert_cmd",
  "async-trait",
@@ -245,6 +245,8 @@ dependencies = [
 [[package]]
 name = "arbiter-bindings"
 version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb5288ebd7de7ecce3b0a509547a02953a69f2754e65bc35349b0dbbccc3bb26"
 dependencies = [
  "ethers",
  "serde",
@@ -252,9 +254,7 @@ dependencies = [
 
 [[package]]
 name = "arbiter-bindings"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb5288ebd7de7ecce3b0a509547a02953a69f2754e65bc35349b0dbbccc3bb26"
+version = "0.1.8"
 dependencies = [
  "ethers",
  "serde",
@@ -263,17 +263,15 @@ dependencies = [
 [[package]]
 name = "arbiter-core"
 version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da675331c9897c21770edc0eb8d6f567349d45f4b1b4cef24130f9d7248562a6"
 dependencies = [
- "arbiter-bindings 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "assert_matches",
+ "arbiter-bindings 0.1.7",
  "async-stream",
  "async-trait",
  "bytes",
- "cargo_metadata",
- "chrono",
  "crossbeam-channel",
  "ethers",
- "futures",
  "futures-locks",
  "futures-timer",
  "futures-util",
@@ -288,22 +286,23 @@ dependencies = [
  "thiserror",
  "tokio",
  "tracing",
- "tracing-subscriber",
  "uint",
 ]
 
 [[package]]
 name = "arbiter-core"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da675331c9897c21770edc0eb8d6f567349d45f4b1b4cef24130f9d7248562a6"
+version = "0.11.1"
 dependencies = [
- "arbiter-bindings 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arbiter-bindings 0.1.7",
+ "assert_matches",
  "async-stream",
  "async-trait",
  "bytes",
+ "cargo_metadata",
+ "chrono",
  "crossbeam-channel",
  "ethers",
+ "futures",
  "futures-locks",
  "futures-timer",
  "futures-util",
@@ -318,16 +317,19 @@ dependencies = [
  "thiserror",
  "tokio",
  "tracing",
+ "tracing-subscriber",
  "uint",
 ]
 
 [[package]]
 name = "arbiter-engine"
 version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a195bfc37d29552891fb2a88fb6f286b21aeab271894c4bc04e6ea2ae6f5542d"
 dependencies = [
  "anyhow",
- "arbiter-bindings 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "arbiter-core 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arbiter-bindings 0.1.7",
+ "arbiter-core 0.11.0",
  "arbiter-macros 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "async-stream",
  "async-trait",
@@ -342,19 +344,15 @@ dependencies = [
  "tokio-stream",
  "toml 0.8.12",
  "tracing",
- "tracing-subscriber",
- "tracing-test",
 ]
 
 [[package]]
 name = "arbiter-engine"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a195bfc37d29552891fb2a88fb6f286b21aeab271894c4bc04e6ea2ae6f5542d"
+version = "0.4.1"
 dependencies = [
  "anyhow",
- "arbiter-bindings 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "arbiter-core 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arbiter-bindings 0.1.7",
+ "arbiter-core 0.11.0",
  "arbiter-macros 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "async-stream",
  "async-trait",
@@ -369,6 +367,8 @@ dependencies = [
  "tokio-stream",
  "toml 0.8.12",
  "tracing",
+ "tracing-subscriber",
+ "tracing-test",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index a485f4f3..891450d2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ exclude = ["benches", "docs"]
 # Package configuration
 [package]
 name = "arbiter"
-version = "0.4.20"
+version = "0.4.21"
 edition = "2021"
 authors = [
     "Waylon Jepsen <waylonjepsen1@gmail.com>",
diff --git a/bindings/CHANGELOG.md b/bindings/CHANGELOG.md
index 86707cb7..66f73011 100644
--- a/bindings/CHANGELOG.md
+++ b/bindings/CHANGELOG.md
@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.1.8](https://github.com/primitivefinance/arbiter/compare/arbiter-bindings-v0.1.7...arbiter-bindings-v0.1.8) - 2024-05-02
+
+### Other
+- release
+
 ## [0.1.7](https://github.com/primitivefinance/arbiter/compare/arbiter-bindings-v0.1.6...arbiter-bindings-v0.1.7) - 2024-04-26
 
 ### Other
diff --git a/bindings/Cargo.toml b/bindings/Cargo.toml
index 366966c8..94a5d0eb 100644
--- a/bindings/Cargo.toml
+++ b/bindings/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "arbiter-bindings"
-version = "0.1.7"
+version = "0.1.8"
 edition = "2021"
 description = "Rust bindings for common solidity smart contracts"
 license = "Apache-2.0"
diff --git a/core/CHANGELOG.md b/core/CHANGELOG.md
index 7f12aa80..26b014dd 100644
--- a/core/CHANGELOG.md
+++ b/core/CHANGELOG.md
@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.11.1](https://github.com/primitivefinance/arbiter/compare/arbiter-core-v0.11.0...arbiter-core-v0.11.1) - 2024-05-02
+
+### Other
+- *(deps)* bump hashbrown from 0.14.3 to 0.14.5 ([#963](https://github.com/primitivefinance/arbiter/pull/963))
+
 ## [0.11.0](https://github.com/primitivefinance/arbiter/compare/arbiter-core-v0.10.3...arbiter-core-v0.11.0) - 2024-04-26
 
 ### Added
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 208f966c..529a7110 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "arbiter-core"
-version = "0.11.0"
+version = "0.11.1"
 edition = "2021"
 authors = [
     "Waylon Jepsen <waylonjepsen1@gmail.com>",
diff --git a/engine/CHANGELOG.md b/engine/CHANGELOG.md
index d678978e..93b63467 100644
--- a/engine/CHANGELOG.md
+++ b/engine/CHANGELOG.md
@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.1](https://github.com/primitivefinance/arbiter/compare/arbiter-engine-v0.4.0...arbiter-engine-v0.4.1) - 2024-05-02
+
+### Other
+- update Cargo.toml dependencies
+
 ## [0.4.0](https://github.com/primitivefinance/arbiter/compare/arbiter-engine-v0.3.2...arbiter-engine-v0.4.0) - 2024-04-26
 
 ### Other
diff --git a/engine/Cargo.toml b/engine/Cargo.toml
index 43c6daec..d70ca5c5 100644
--- a/engine/Cargo.toml
+++ b/engine/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "arbiter-engine"
-version = "0.4.0"
+version = "0.4.1"
 edition = "2021"
 authors = [
     "Waylon Jepsen <waylonjepsen1@gmail.com>",