diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 00813ac..25731d7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ on:
       - main
 
 env:
-  MAIN_PYTHON_VERSION: '3.10'
+  MAIN_PYTHON_VERSION: '3.11'
   PACKAGE_NAME: 'ansys-api-acp'
 
 jobs:
diff --git a/pyproject.toml b/pyproject.toml
index 57d6e63..0d328d4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,3 @@
 [build-system]
-requires = ["setuptools >= 42.0.0", "wheel", "ansys_tools_protoc_helper>=0.4.0"]
+requires = ["setuptools >= 42.0.0", "wheel", "ansys_tools_protoc_helper>=0.5.0"]
 build-backend = "setuptools.build_meta:__legacy__"