diff --git a/pyproject.toml b/pyproject.toml
index 9aa0a3963..2cae3bf95 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ dev = [
 ]
 docs = [
     "sphinx<9",
-    "sphinx-issues<5",
+    "sphinx-issues<6",
     "furo==2024.8.6",
 ]