diff --git a/changes/2339.misc.rst b/changes/2339.misc.rst
new file mode 100644
index 0000000000..c0251ee621
--- /dev/null
+++ b/changes/2339.misc.rst
@@ -0,0 +1 @@
+Updated tox from 4.11.4 to 4.12.0 in /core.
diff --git a/core/pyproject.toml b/core/pyproject.toml
index 827d0f2ce3..63c1fcd3dc 100644
--- a/core/pyproject.toml
+++ b/core/pyproject.toml
@@ -74,7 +74,7 @@ dev = [
     "pytest-asyncio == 0.23.3",
     "pytest-freezer == 0.4.8",
     "setuptools-scm == 8.0.4",
-    "tox == 4.11.4",
+    "tox == 4.12.0",
     # typing-extensions needed for TypeAlias added in Py 3.10
     "typing-extensions == 4.9.0 ; python_version < '3.10'"
 ]