diff --git a/pyproject.toml b/pyproject.toml
index 3ecd2044..ec7b9202 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ optional-dependencies.dev = [
     "interrogate==1.7.0",
     "mypy[faster-cache]==1.20.1",
     "mypy-strict-kwargs==2026.1.12",
-    "prek==0.3.8",
+    "prek==0.3.9",
     "pydocstringformatter==0.7.5",
     "pydocstyle==6.3",
     "pygments==2.20.0",