diff --git a/pyproject.toml b/pyproject.toml
index 6d251105..2831c242 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dev = [
     "coverage[toml]==7.6.1",
     "freezegun==1.5.1",
     "logassert==7",
-    "pyfakefs==5.4.1",
+    "pyfakefs==5.6.0",
     "pytest==8.3.3",
     "pytest-cov==5.0.0",
     "pytest-mock==3.14.0",