diff --git a/pyproject.toml b/pyproject.toml
index 3f177a43..f54a8068 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,7 +59,7 @@ optional-dependencies.dev = [
     "doccmd==2025.4.8",
     "docformatter==1.7.5",
     "docker==7.1.0",
-    "enum-tools[sphinx]==0.12.0",
+    "enum-tools[sphinx]==0.13.0",
     "freezegun==1.5.1",
     "furo==2024.8.6",
     "interrogate==1.7.0",