diff --git a/pyproject.toml b/pyproject.toml
index 4a514c5..d9e96a7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,6 +34,7 @@ test = [
     "coverage[toml]>=7.6.1",
     "xdoctest>=1.2.0",
     "pytest-asyncio>=0.24.0",
+    "freezegun>=1.5.1",
 ]
 docs = [
     "furo>=2024.8.6",