diff --git a/CHANGELOG.md b/CHANGELOG.md
index db8a89b..43fbf28 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## master
 
+## v1.5.1
+
 * ![Maintenance](https://img.shields.io/badge/-maintenance-grey) Implement new `hash` behavior on Julia ≥ 1.10. ([#55](https://github.com/sostock/HalfIntegers.jl/pull/55))
 
 ## v1.5.0
diff --git a/Project.toml b/Project.toml
index 971e95d..052f5dc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "HalfIntegers"
 uuid = "f0d1745a-41c9-11e9-1dd9-e5d34d218721"
 authors = ["Sebastian Stock"]
-version = "1.5.0"
+version = "1.5.1"
 
 [compat]
 SaferIntegers = "2.2.1, 3.0.2"