diff --git a/docs/releasenotes/5.9.0.rst b/docs/releasenotes/5.8.0.rst
similarity index 100%
rename from docs/releasenotes/5.9.0.rst
rename to docs/releasenotes/5.8.0.rst
diff --git a/robocop/version.py b/robocop/version.py
index b6a1a593..e0b75277 100644
--- a/robocop/version.py
+++ b/robocop/version.py
@@ -1 +1 @@
-__version__ = "5.9.0"
+__version__ = "5.8.0"