diff --git a/NEWS.md b/NEWS.md
index 36804ad1..18fc732b 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,9 @@
 # Unitful.jl changelog
 
+## v1.21.0 (2024-07-19)
+
+* ![Feature:](https://img.shields.io/badge/-feature-green) Arithmetic between `Dates.TimeType` and `Unitful.Time` is added, e.g., `Dates.now() + 1u"hr"` now works ([#731](https://github.com/PainterQubits/Unitful.jl/pull/731)).
+
 ## v1.20.0 (2024-05-17)
 
 * ![Feature:](https://img.shields.io/badge/-feature-green) `isapprox` with arrays of quantities now supports the `nans` keyword argument ([#719](https://github.com/PainterQubits/Unitful.jl/pull/719)).
diff --git a/Project.toml b/Project.toml
index a6a75534..95e6c39c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "Unitful"
 uuid = "1986cc42-f94f-5a68-af5c-568840ba703d"
-version = "1.20.0"
+version = "1.21.0"
 
 [deps]
 ConstructionBase = "187b0558-2788-49d3-abe0-74a17ed4e7c9"