diff --git a/poetry.lock b/poetry.lock
index ecd093a..2a9aae6 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -3060,22 +3060,18 @@ rtd = ["ipython", "myst-nb", "sphinx", "sphinx-book-theme", "sphinx-examples"]
 
 [[package]]
 name = "sphinx-issues"
-version = "5.0.1"
+version = "6.0.0"
 description = "A Sphinx extension for linking to your project's issue tracker"
 optional = false
-python-versions = ">=3.9"
+python-versions = ">=3.10"
 groups = ["docs"]
 files = [
-    {file = "sphinx_issues-5.0.1-py3-none-any.whl", hash = "sha256:58cdd94df25546fa96a224afc9df17063deffaf38336c4a694d2bf478aec75a4"},
-    {file = "sphinx_issues-5.0.1.tar.gz", hash = "sha256:6da131d4545af00be4b48ec7c4086ea82c1371a05116bbe5779f57cff34bf16a"},
+    {file = "sphinx_issues-6.0.0-py3-none-any.whl", hash = "sha256:c7ed2915059526d02022733985a7712d4b2b64a707e16b98294ed9758e64df4f"},
+    {file = "sphinx_issues-6.0.0.tar.gz", hash = "sha256:f40f2c71cecb2068c7f06a53825778b674d58d8395b4ea60551a36164d2988e3"},
 ]
 
 [package.dependencies]
-sphinx = "*"
-
-[package.extras]
-dev = ["pre-commit (>=3.6,<5.0)", "sphinx-issues[tests]", "tox"]
-tests = ["pytest"]
+sphinx = ">=8.1.0"
 
 [[package]]
 name = "sphinxcontrib-apidoc"
@@ -3534,4 +3530,4 @@ syn = ["synphot"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<3.15"
-content-hash = "c009aef9dd79e7f6057f3321d092f003dd92f2e3902dc7516890d19a41382d52"
+content-hash = "2373f93bd38f06c4cb98066abeafb192a7bb82affbbf61a5c5d57aa8d9e74b07"
diff --git a/pyproject.toml b/pyproject.toml
index 0066721..8b6cfed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,7 +61,7 @@ sphinx-copybutton = ">=0.5.2,<1.0"
 sphinxcontrib-apidoc = ">=0.6.0,<1.0"
 sphinxcontrib-mermaid = "^2.0"
 myst-nb = "^1.4.0"
-sphinx-issues = "^5.0.1"
+sphinx-issues = "^6.0.0"
 numpy = "^2.1.3"
 numpydoc = "^1.10.0"
 matplotlib = "^3.10.8"