diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 4251a31e..0d694ffd 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -4,11 +4,12 @@ Changelog
 
 
 ***************************
-v0.4.6dev
+v0.4.6
 ***************************
 
 * Fixed indexing bug in calc_accounts for non-full Y 
 * Added Stadler 2021 reference
+* change github actions testing to development -> production for multiple os
 
 Breaking changes
 ================
diff --git a/pymrio/version.py b/pymrio/version.py
index 98a433b3..3dd3d2d5 100644
--- a/pymrio/version.py
+++ b/pymrio/version.py
@@ -1 +1 @@
-__version__ = "0.4.5"
+__version__ = "0.4.6"