diff --git a/pyproject.toml b/pyproject.toml
index 4d19a6f7..bdf65c3a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ optional-dependencies.dev = [
     "doc8==2.0.0",
     "doccmd==2025.4.8",
     "docformatter==1.7.7",
-    "freezegun==1.5.4",
+    "freezegun==1.5.5",
     "furo==2025.7.19",
     "interrogate==1.7.0",
     "mypy[faster-cache]==1.17.1",