diff --git a/CHANGELOG.md b/CHANGELOG.md
index 39f0141..80eb966 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,13 +1,13 @@
 # Changelog
 
-## Next
+## 4.2.0 - 2026 Jul 1
 - Add ambiguous unit resolution depending on context and user locale.
 - Add ambiguous units like `pound`, `deg`, `$` and `kr`
 - Add currency symbols like `€` and `kr`
 - Add `as` and `into` keywords for unit conversion
 - Fix some units not being simplified
 
-## 4.1.0 - 2026 Jul 29
+## 4.1.0 - 2026 Jun 29
 - Add currency units
 
 ## 4.0.0 - 2026 Jun 27
diff --git a/Cargo.lock b/Cargo.lock
index 9074d05..b032940 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -160,7 +160,7 @@ checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
 [[package]]
 name = "cpc"
-version = "4.1.0"
+version = "4.2.0"
 dependencies = [
  "console_error_panic_hook",
  "fastnum",
diff --git a/Cargo.toml b/Cargo.toml
index fadc3da..952bcce 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cpc"
-version = "4.1.0"
+version = "4.2.0"
 description = "evaluates math expressions, with support for units and conversion between units"
 authors = ["Kasper Henningsen"]
 edition = "2024"