diff --git a/pyproject.toml b/pyproject.toml
index a33f358..0b38981 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,8 +48,8 @@ pytest-dependency = "*"
 pytest-cov = "*"
 pre-commit = "^2.17.0"
 isort = "^5.10.1"
-Sphinx = "^4.3.2"
-sphinx-rtd-theme = "^1.0.0"
+Sphinx = "*"
+sphinx-rtd-theme = "*"
 
 [build-system]
 requires = ["poetry>=1.0.0"]