diff --git a/pytransform3d/__init__.py b/pytransform3d/__init__.py
index 2bbbe39b8..fcb6b5dc0 100644
--- a/pytransform3d/__init__.py
+++ b/pytransform3d/__init__.py
@@ -1 +1 @@
-__version__ = '1.5-dev'
+__version__ = '1.5'