diff --git a/CHANGES.md b/CHANGES.md
index 212d34d..b797067 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,7 +2,7 @@
   Add a single entry in the corresponding section below.
   See https://keepachangelog.com for details
 
-## v1.5.1.dev0 (UNRELEASED)
+## v1.5.1 (2022-05-03)
 
 * Fix import tools error when running hyperspy test suite ([#47](https://github.com/hyperspy/hyperspy_gui_traitsui/pull/47))
 
diff --git a/hyperspy_gui_traitsui/version.py b/hyperspy_gui_traitsui/version.py
index 5b77945..0f228f2 100644
--- a/hyperspy_gui_traitsui/version.py
+++ b/hyperspy_gui_traitsui/version.py
@@ -1 +1 @@
-__version__ = "1.6.0.dev0"
+__version__ = "1.5.1"