diff --git a/nfstream/__init__.py b/nfstream/__init__.py
index cd702d6..f482949 100644
--- a/nfstream/__init__.py
+++ b/nfstream/__init__.py
@@ -21,4 +21,4 @@ from .plugin import NFPlugin
 # streamer module is the core module of nfstream package.
 __author__ = """Zied Aouini"""
 __email__ = 'aouinizied@gmail.com'
-__version__ = '6.3.0'
+__version__ = '6.3.1'
diff --git a/setup.cfg b/setup.cfg
index d478679..b005cc9 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 6.3.0
+current_version = 6.3.1
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index 7eddb45..60c4ca7 100644
--- a/setup.py
+++ b/setup.py
@@ -101,7 +101,7 @@ cmdclass = {'build_native': BuildNativeCommand,
 
 setup(
     name="nfstream",
-    version='6.3.0',
+    version='6.3.1',
     url='https://www.nfstream.org/',
     license='LGPLv3',
     description="A Flexible Network Data Analysis Framework",