diff --git a/pyproject.toml b/pyproject.toml
index 792bc9e..3dc7b0e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ dev = [
     "build>=1.2",
     "coverage==7.6.1",
     "flake8==7.1.1",
-    "flit==3.9.0",
+    "flit==3.10.1",
     "mypy==1.11.2",
     "usort==1.0.8.post1",
     "ufmt==2.7.1",