diff --git a/pyproject.toml b/pyproject.toml
index d2c43e2..7335fb8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ dev = [
     "coverage==7.5.3",
     "flake8==7.1.1",
     "flake8-bugbear==24.8.19",
-    "flit==3.9.0",
+    "flit==3.10.1",
     "mypy==1.13.0",
     "rich==13.7.1",
     "ufmt==2.8.0",