diff --git a/ruff.toml b/ruff.toml
index bf5472e..1d12d30 100644
--- a/ruff.toml
+++ b/ruff.toml
@@ -32,8 +32,8 @@ exclude = [
 line-length = 88
 indent-width = 4
 
-# Assume Python 3.9
-target-version = "py39"
+# Assume Python 3.10
+target-version = "py310"
 
 [lint]
 # Enable Pyflakes (`F`) and a subset of the pycodestyle (`E`)  codes by default.