diff --git a/README.md b/README.md
index 4e42db8..d7f40f3 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ Scenarios to be covered in the near future include:
 
 ## Installation
 
-Requires Python 3.7 or above
+Requires Python 3.9 or above
 
 ```
 pip install git+https://github.com/mberk/kelly.git
diff --git a/pyproject.toml b/pyproject.toml
index f91b457..59b2baa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "kelly"
-requires-python = ">=3.7"
+requires-python = ">=3.9"
 classifiers = [
     "Programming Language :: Rust",
     "Programming Language :: Python :: Implementation :: CPython",