diff --git a/poetry.lock b/poetry.lock
index 07ed04ea9..c3110ddbb 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -634,8 +634,8 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytes
 
 [metadata]
 lock-version = "1.1"
-python-versions = "^3.9"
-content-hash = "f1d88c59b67ee4198292f28ddd2caa33249b4dee85eda0c75c1c2100a583c55e"
+python-versions = "3.9.*"
+content-hash = "1d3b99adb80da7d0e185d8f1d4c520589a0967efa24d5807fe02f49c2578b201"
 
 [metadata.files]
 aiofiles = [
diff --git a/pyproject.toml b/pyproject.toml
index fe025cf61..310501fee 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ generate-setup-file = false
 script = "build.py"
 
 [tool.poetry.dependencies]
-python = "3.9"
+python =  "3.9.*"
 aiofiles = "0.7.0"
 asgiref = "3.4.1"
 attrs = "21.2.0"