diff --git a/pyproject.toml b/pyproject.toml
index dc23998..feb89ea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ dev = [
     "coverage[toml]==7.4.4",
     "flake8==7.0.0",
     "flake8-bugbear==24.2.6",
-    "flit==3.9.0",
+    "flit==3.10.1",
     "mypy==1.9.0",
     "ufmt==2.5.1",
     "usort==1.0.8.post1",