diff --git a/PyMca5/__init__.py b/PyMca5/__init__.py
index 22ac966c0..55fe55837 100644
--- a/PyMca5/__init__.py
+++ b/PyMca5/__init__.py
@@ -27,7 +27,7 @@
 __contact__ = "sole@esrf.fr"
 __license__ = "MIT"
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
-__version__ = "5.8.7"
+__version__ = "5.8.8"
 
 import os
 import sys
diff --git a/changelog.txt b/changelog.txt
index 046e46d1e..fbafaaf45 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,8 @@
+VERSION 5.8.8
+-------------
+
+- GUI. Compatibility with matplotlib 3.7.x
+
 VERSION 5.8.7
 -------------