diff --git a/pyproject.toml b/pyproject.toml
index 459652cb..fb7a2110 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,7 +70,7 @@ tests = [
 ]
 docs = [
   "webargs[frameworks]",
-  "Sphinx==7.3.2",
+  "Sphinx==7.3.6",
   "sphinx-issues==4.1.0",
   "furo==2024.1.29",
 ]