diff --git a/changes/2684.misc.rst b/changes/2684.misc.rst
new file mode 100644
index 0000000000..1dcbe143ce
--- /dev/null
+++ b/changes/2684.misc.rst
@@ -0,0 +1 @@
+Updated sphinx-toolbox from 3.5.0 to 3.6.0 in /core.
diff --git a/core/pyproject.toml b/core/pyproject.toml
index 10b2b2ebc0..cd22e2851b 100644
--- a/core/pyproject.toml
+++ b/core/pyproject.toml
@@ -93,7 +93,7 @@ docs = [
     "sphinx-autobuild == 2024.4.16 ; python_version >= '3.9'",
     "sphinx-csv-filter == 0.4.1",
     "sphinx-copybutton == 0.5.2",
-    "sphinx-toolbox == 3.5.0",
+    "sphinx-toolbox == 3.6.0",
     "sphinxcontrib-spelling == 8.0.0",
 ]