diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 362ca5f8..20d802d7 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 2.6.3
+current_version = 2.6.4
 commit = True
 tag = False
 
diff --git a/CHANGES.md b/CHANGES.md
index c343e509..c68f7149 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -3,6 +3,7 @@
 - Dropped support for Python 3.6 and below
 - Now supporting currently supported stable versions of Python, i.e. Python 3.7-3.10
 - Internal refactoring and enhancements
+- Adding default `max_retries` option to the `BasicAuthenticationServer` constructor, specifying optional parameters
 
 # 2.5.5
 
diff --git a/docs/conf.py b/docs/conf.py
index 1a2ae070..3e114eb3 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -66,9 +66,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = "2.6.3"
+version = "2.6.4"
 # The full version, including alpha/beta/rc tags.
-release = "2.6.3"
+release = "2.6.4"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -143,7 +143,7 @@
 # The name for this set of Sphinx documents.
 # "<project> v<release> documentation" by default.
 #
-# html_title = u'Vonage v2.6.3'
+# html_title = u'Vonage v2.6.4'
 
 # A shorter title for the navigation bar.  Default is the same as html_title.
 #
diff --git a/setup.py b/setup.py
index 63bed902..a1ec3a40 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
 
 setup(
     name="vonage",
-    version="2.6.3",
+    version="2.6.4",
     description="Vonage Server SDK for Python",
     long_description=long_description,
     long_description_content_type="text/markdown",
diff --git a/src/vonage/__init__.py b/src/vonage/__init__.py
index b041a7e2..2fbb290f 100644
--- a/src/vonage/__init__.py
+++ b/src/vonage/__init__.py
@@ -4,4 +4,4 @@
 from .sms import *
 from .verify import *
 
-__version__ = "2.6.3"
+__version__ = "2.6.4"