diff --git a/changes/521.misc.rst b/changes/521.misc.rst
new file mode 100644
index 00000000..c38426c7
--- /dev/null
+++ b/changes/521.misc.rst
@@ -0,0 +1 @@
+Updated sphinx-autobuild from 2024.9.19 to 2024.10.3.
diff --git a/pyproject.toml b/pyproject.toml
index cc18d2f0..e57c74ed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -62,7 +62,7 @@ docs = [
     "pyenchant == 3.2.2",
     "sphinx == 8.0.2",
     "sphinx_tabs == 3.4.5",
-    "sphinx-autobuild == 2024.9.19",
+    "sphinx-autobuild == 2024.10.3",
     "sphinx-copybutton == 0.5.2",
     "sphinxcontrib-spelling == 8.0.0",
 ]