diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0043248..2413a7b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.4.3
+
+- Implements `std::error::Error` for `InvalidLength` and `InvalidStrLength`.
+
 # 0.4.2
 
 - Implements `FromStr` for `FixedString`.
diff --git a/Cargo.lock b/Cargo.lock
index 87d5b8e..99d18bd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -65,7 +65,7 @@ dependencies = [
 
 [[package]]
 name = "small-fixed-array"
-version = "0.4.2"
+version = "0.4.3"
 dependencies = [
  "serde",
  "serde_json",
diff --git a/Cargo.toml b/Cargo.toml
index 09cadc4..aad17e8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "small-fixed-array"
 description = "A crate providing fixed length immutable collections with a low memory footprint."
 repository = "https://github.com/GnomedDev/small-fixed-array"
-version = "0.4.2"
+version = "0.4.3"
 edition = "2021"
 license = "MIT"