diff --git a/pyproject.toml b/pyproject.toml
index 8c24913e0b..757148aa5a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ dev = [
     "pydata-sphinx-theme>=0.12",
     "pyepics>=3.4.2",
     "pyright",
-    "pyside6==6.7.0",
+    "pyside6==6.8.0.2",
     "pytest",
     "pytest-asyncio",
     "pytest-cov",
@@ -61,7 +61,7 @@ dev = [
     "pytest-rerunfailures",
     "pytest-timeout",
     "ruff",
-    "sphinx<7.4.0",              # https://github.com/bluesky/ophyd-async/issues/459
+    "sphinx<8.2.0",              # https://github.com/bluesky/ophyd-async/issues/459
     "sphinx-autobuild",
     "autodoc-pydantic",
     "sphinxcontrib-mermaid",