diff --git a/pyproject.toml b/pyproject.toml
index 4832e370..c86a8cb6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,10 +10,10 @@ namespaces = true
 
 [project]
 name = "aiXplain"
-version = "0.2.34"
+version = "0.2.35rc1"
 description = "aiXplain SDK adds AI functions to software."
 readme = "README.md"
-requires-python = ">=3.5, <4"
+requires-python = ">=3.9, <4"
 license = { text = "Apache License, Version 2.0: http://www.apache.org/licenses/LICENSE-2.0" }
 authors = [
   {email = "ahmet@aixplain.com"},
@@ -30,10 +30,6 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.5",
-    "Programming Language :: Python :: 3.6",
-    "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",