diff --git a/pyproject.toml b/pyproject.toml
index f244713..f312244 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ python = "^3.7.0"
 click = "^8.0.0"
 black = "^22.1.0"
 toml = "^0.10.2"
-importlib_metadata = "^1.7.0"
+importlib_metadata = {version = ">=1.7.0", python = "3.7"}
 
 [tool.poetry.dev-dependencies]
 pytest = "^6.2.5"