diff --git a/pyproject.toml b/pyproject.toml
index d3adec3..55445ab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ Funding = "https://opencollective.com/marshmallow"
 docs = [
   "marshmallow-sqlalchemy>=0.19.0",
   "Sphinx==8.1.0",
-  "sphinx-issues==4.1.0",
+  "sphinx-issues==5.0.0",
 ]
 tests = ["flask-marshmallow[sqlalchemy]", "pytest"]
 dev = ["flask-marshmallow[tests]", "tox", "pre-commit>=3.5,<5.0"]