diff --git a/VERSION b/VERSION
index d0149fe..80e78df 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.3.4
+1.3.5
diff --git a/docs/index.rst b/docs/index.rst
index 1fa54d3..cd92e2f 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -19,7 +19,7 @@ The main features includes:
 
 Currently supported HL7 versions are: 2.1, 2.2, 2.3, 2.3.1, 2.4, 2.5, 2.5.1, 2.6, 2.7, 2.8, 2.8.1, 2.8.2
 
-Current version is 1.3.4
+Current version is 1.3.5
 
 To get started visit the :ref:`Getting started <tutorial>` section
 
@@ -28,7 +28,7 @@ This project is not affiliated with the HL7 organization: the library is just co
 Installation
 ============
 
-HL7apy is platform independent and supports Python 2.7 and Python 3.4, 3.5, 3.6, 3.7
+HL7apy is platform independent and supports Python 2.7 and Python 3.[4-12]
 
 To install it get the latest release from `GitHub <https://github.com/crs4/hl7apy/releases>`_ and launch the following
 command:
diff --git a/setup.py b/setup.py
index cfd3d5a..b903979 100644
--- a/setup.py
+++ b/setup.py
@@ -77,6 +77,9 @@ def _get_version():
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
     ],
     packages=['hl7apy', 'hl7apy.v2_1', 'hl7apy.v2_2', 'hl7apy.v2_3', 'hl7apy.v2_3_1', 'hl7apy.v2_4', 'hl7apy.v2_5',
               'hl7apy.v2_5_1', 'hl7apy.v2_6', 'hl7apy.v2_7', 'hl7apy.v2_8', 'hl7apy.v2_8_1', 'hl7apy.v2_8_2'],