diff --git a/changes/137.misc.rst b/changes/137.misc.rst
new file mode 100644
index 00000000..2a46a5df
--- /dev/null
+++ b/changes/137.misc.rst
@@ -0,0 +1 @@
+Updated tox from 4.26.0 to 4.27.0.
diff --git a/pyproject.toml b/pyproject.toml
index 2febcd48..8b45ff28 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,7 +45,7 @@ dev = [
     "pre-commit == 4.2.0",
     "pytest == 8.4.0",
     "setuptools_scm == 8.3.1",
-    "tox == 4.26.0",
+    "tox == 4.27.0",
 ]
 
 [project.urls]