diff --git a/pyproject.toml b/pyproject.toml
index decad81..2e84f97 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ readme = "README.md"
 packages = [{include = "openfm_qt"}]
 
 [tool.poetry.dependencies]
-python = "^3.11"
+python = ">=3.11,<3.12"
 requests = "^2.31.0"
 PySide6 = "^6.5.1.1"
 
@@ -19,5 +19,5 @@ openfm-qt = "openfm_qt.__main__:main"
 script = "prebuild.py"
 
 [build-system]
-requires = ["poetry-core", "PySide6"]
+requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"