diff --git a/CHANGES.txt b/CHANGES.txt
index 2e7ea253..165f1d9f 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -2,4 +2,6 @@ v0.11, June 18, 2014 -- Initial release.op
 v0.12, June 26, 2014 -- Update with masking, completely black interrogation window is masked
 v0.13, June 30, 2014 -- Dynamic masking is included, image and velocity set to zero, sig2noise to infinity
 v0.17, July 1, 2014  -- Fixed the bug in lib.pyx of different casting of np.int32 on 64-bit machines
-v0.18  Aug. 8, 2014 -- small updates to the tutorial-part1, MANIFEST.IN, readme and install files
\ No newline at end of file
+v0.18  Aug. 8, 2014 -- small updates to the tutorial-part1, MANIFEST.IN, readme and install files
+...
+v0.22.3 Sep. 22, 2020 -- @erfan-mtr added two-phase extension, see phase_separation.ipynb for the demo
diff --git a/setup.py b/setup.py
index 52d875c9..56761d49 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
 
 setup(
     name = "OpenPIV",
-    version ='0.22.2',
+    version ='0.22.3',
     cmdclass = {'build_ext': build_ext},
     ext_modules = extensions,
     packages=find_packages(),