diff --git a/Cargo.lock b/Cargo.lock
index cb1e32e..ee10e61 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -37,7 +37,7 @@ dependencies = [
 
 [[package]]
 name = "arithmetic-coding-core"
-version = "0.4.2"
+version = "0.4.3"
 dependencies = [
  "thiserror",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 1f22f3b..802106f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ repository.workspace = true
 rust-version.workspace = true
 
 [dependencies]
-arithmetic-coding-core = { path = "./arithmetic-coding-core", version = "0.4.2" }
+arithmetic-coding-core = { path = "./arithmetic-coding-core", version = "0.4.3" }
 bitstream-io = "4.4.0"
 thiserror = { workspace = true }
 
diff --git a/arithmetic-coding-core/CHANGELOG.md b/arithmetic-coding-core/CHANGELOG.md
index 6a278a4..78921d8 100644
--- a/arithmetic-coding-core/CHANGELOG.md
+++ b/arithmetic-coding-core/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.3](https://github.com/danieleades/arithmetic-coding/compare/arithmetic-coding-core-v0.4.2...arithmetic-coding-core-v0.4.3) - 2026-07-19
+
+### Other
+
+- update Cargo.toml dependencies
+
 ## [0.4.2](https://github.com/danieleades/arithmetic-coding/compare/arithmetic-coding-core-v0.4.1...arithmetic-coding-core-v0.4.2) - 2025-12-09
 
 ### Other
diff --git a/arithmetic-coding-core/Cargo.toml b/arithmetic-coding-core/Cargo.toml
index fef7d2e..e4bcc81 100644
--- a/arithmetic-coding-core/Cargo.toml
+++ b/arithmetic-coding-core/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "arithmetic-coding-core"
 description = "core traits for the 'arithmetic-coding' crate"
-version = "0.4.2"
+version = "0.4.3"
 edition.workspace = true
 license.workspace = true
 keywords.workspace = true
diff --git a/fenwick-model/Cargo.toml b/fenwick-model/Cargo.toml
index bdda8f0..f2f8995 100644
--- a/fenwick-model/Cargo.toml
+++ b/fenwick-model/Cargo.toml
@@ -17,6 +17,6 @@ repository.workspace = true
 rust-version.workspace = true
 
 [dependencies]
-arithmetic-coding-core = { path = "../arithmetic-coding-core", version = "0.4.2" }
+arithmetic-coding-core = { path = "../arithmetic-coding-core", version = "0.4.3" }
 fenwick = "2.0.0"
 thiserror = { workspace = true }