diff --git a/pyproject.toml b/pyproject.toml
index 32611cef..3505a0d6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ include = ["rich/py.typed"]
 [tool.poetry.dependencies]
 python = "^3.6"
 typing-extensions = { version = "^3.7.4", python = "<3.8" }
-dataclasses = { version = ">=0.7,<0.9", python = "~3.6" }
+dataclasses = { version = ">=0.7,<0.9", python = ">3.6,>3.7" }
 pygments = "^2.6.0"
 commonmark = "^0.9.0"
 colorama = "^0.4.0"