diff --git a/CHANGELOG.md b/CHANGELOG.md
index a5e68c0..28baf3c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.1](https://github.com/danieleades/arithmetic-coding/compare/arithmetic-coding-v0.4.0...arithmetic-coding-v0.4.1) - 2025-02-08
+
+### Other
+
+- *(docs)* update CI badge in readme (#75)
+- *(lints)* count string characters directly (#74)
+- *(deps)* commit lock file to VCS (#73)
+- *(deps)* update thiserror requirement from 1.0.30 to 2.0.3 (#70)
+- *(deps)* bump codecov/codecov-action from 4 to 5 (#71)
+
 ## [0.4.0](https://github.com/danieleades/arithmetic-coding/compare/arithmetic-coding-v0.3.1...arithmetic-coding-v0.4.0) - 2024-09-12
 
 ### Added
diff --git a/Cargo.lock b/Cargo.lock
index 0ac4685..dbd5278 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -25,7 +25,7 @@ checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9"
 
 [[package]]
 name = "arithmetic-coding"
-version = "0.4.0"
+version = "0.4.1"
 dependencies = [
  "arithmetic-coding-core",
  "bitstream-io",
@@ -37,7 +37,7 @@ dependencies = [
 
 [[package]]
 name = "arithmetic-coding-core"
-version = "0.4.0"
+version = "0.4.1"
 dependencies = [
  "thiserror",
 ]
@@ -205,7 +205,7 @@ checksum = "8da8259e81fd417a39d43d803d72458fcfac27206470d303e85be455e3361030"
 
 [[package]]
 name = "fenwick-model"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "arithmetic-coding-core",
  "fenwick",
diff --git a/Cargo.toml b/Cargo.toml
index c2e9fb6..6fe06e4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ pedantic = "warn"
 [package]
 name = "arithmetic-coding"
 description = "fast and flexible arithmetic coding library"
-version = "0.4.0"
+version = "0.4.1"
 edition.workspace = true
 license.workspace = true
 keywords.workspace = true
@@ -30,12 +30,12 @@ repository.workspace = true
 rust-version.workspace = true
 
 [dependencies]
-arithmetic-coding-core = { path = "./arithmetic-coding-core", version = "0.4.0" }
+arithmetic-coding-core = { path = "./arithmetic-coding-core", version = "0.4.1" }
 bitstream-io = "2.0.0"
 thiserror = { workspace = true }
 
 [dev-dependencies]
-fenwick-model = { path = "./fenwick-model", version = "0.1.0" }
+fenwick-model = { path = "./fenwick-model", version = "0.1.1" }
 criterion = "0.5.1"
 test-case = "3.0.0"
 
diff --git a/arithmetic-coding-core/CHANGELOG.md b/arithmetic-coding-core/CHANGELOG.md
index 05a94b8..4f7a9ce 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]
 
+## [0.4.1](https://github.com/danieleades/arithmetic-coding/compare/arithmetic-coding-core-v0.4.0...arithmetic-coding-core-v0.4.1) - 2025-02-08
+
+### Other
+
+- update Cargo.toml dependencies
+
 ## [0.4.0](https://github.com/danieleades/arithmetic-coding/compare/arithmetic-coding-core-v0.3.0...arithmetic-coding-core-v0.4.0) - 2024-09-12
 
 ### Added
diff --git a/arithmetic-coding-core/Cargo.toml b/arithmetic-coding-core/Cargo.toml
index a765113..adb4129 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 = "0.4.0"
+version = "0.4.1"
 edition.workspace = true
 license.workspace = true
 keywords.workspace = true
diff --git a/fenwick-model/CHANGELOG.md b/fenwick-model/CHANGELOG.md
index 27591d0..e0e97a1 100644
--- a/fenwick-model/CHANGELOG.md
+++ b/fenwick-model/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.1.1](https://github.com/danieleades/arithmetic-coding/compare/fenwick-model-v0.1.0...fenwick-model-v0.1.1) - 2025-02-08
+
+### Other
+
+- update Cargo.toml dependencies
+
 ## [0.1.0](https://github.com/danieleades/arithmetic-coding/releases/tag/fenwick-model-v0.1.0) - 2024-09-12
 
 ### Added
diff --git a/fenwick-model/Cargo.toml b/fenwick-model/Cargo.toml
index 29121ac..d113489 100644
--- a/fenwick-model/Cargo.toml
+++ b/fenwick-model/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fenwick-model"
-version = "0.1.0"
+version = "0.1.1"
 edition.workspace = true
 description = "fenwick-tree-based test utils for the 'arithmetic-coding' crate"
 license.workspace = true
@@ -16,6 +16,6 @@ repository.workspace = true
 rust-version.workspace = true
 
 [dependencies]
-arithmetic-coding-core = { path = "../arithmetic-coding-core", version = "0.4.0" }
+arithmetic-coding-core = { path = "../arithmetic-coding-core", version = "0.4.1" }
 fenwick = "2.0.0"
 thiserror = { workspace = true }