diff --git a/changes/2523.misc.rst b/changes/2523.misc.rst
new file mode 100644
index 0000000000..f91a293406
--- /dev/null
+++ b/changes/2523.misc.rst
@@ -0,0 +1 @@
+Updated sphinx from 7.2.6 to 7.3.7 in /core.
diff --git a/core/pyproject.toml b/core/pyproject.toml
index 03647ff1b2..9b35323078 100644
--- a/core/pyproject.toml
+++ b/core/pyproject.toml
@@ -87,7 +87,7 @@ docs = [
     "pyenchant == 3.2.2",
     # Sphinx 7.2 deprecated support for Python 3.8
     "sphinx == 7.1.2 ; python_version < '3.9'",
-    "sphinx == 7.2.6 ; python_version >= '3.9'",
+    "sphinx == 7.3.7 ; python_version >= '3.9'",
     "sphinx_tabs == 3.4.5",
     # Sphinx 2024.2.4 deprecated support for Python 3.8
     "sphinx-autobuild == 2021.3.14 ; python_version < '3.9'",