diff --git a/docs/release_notes.md b/docs/release_notes.md
index 155aa90e..071f7cd4 100644
--- a/docs/release_notes.md
+++ b/docs/release_notes.md
@@ -1,4 +1,4 @@
-# upcoming 
+# 0.9.9 - August 1st 2021
 ## New features
 * `relabel_sequential`, similar to scikit-image (formely known as `close_index_gaps_in_label_maps`)
 * `erode_labels`
diff --git a/pyclesperanto_prototype/__init__.py b/pyclesperanto_prototype/__init__.py
index 7b2177ec..51194856 100644
--- a/pyclesperanto_prototype/__init__.py
+++ b/pyclesperanto_prototype/__init__.py
@@ -7,4 +7,4 @@
 from ._tier8 import *
 from ._tier9 import *
 
-__version__ = "0.9.7"
+__version__ = "0.9.9"
diff --git a/setup.py b/setup.py
index e8fedf49..90b257ff 100644
--- a/setup.py
+++ b/setup.py
@@ -5,10 +5,10 @@
 
 setuptools.setup(
     name="pyclesperanto_prototype",
-    version="0.9.7",
+    version="0.9.9",
     author="haesleinhuepf",
     author_email="robert.haase@tu-dresden.de",
-    description="OpenCL-based GPU-accelerated image processing",
+    description="GPU-accelerated image processing in python using OpenCL",
     long_description=long_description,
     long_description_content_type="text/markdown",
     url="https://github.com/clEsperanto/pyclesperanto_prototype",