diff --git a/pyproject.toml b/pyproject.toml
index 08c36501e..67ccc0eda 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ project = "https://www.library.illinois.edu/dccdocs/speedwagon"
 download = "https://github.com/UIUCLibrary/Speedwagon/releases"
 
 [project.optional-dependencies]
-QT = ["PySide6==6.5.3"]
+QT = ["PySide6~=6.8"]
 
 [project.gui-scripts]
 speedwagon = "speedwagon.__main__:main"
@@ -97,6 +97,10 @@ markers=[
     "slow: mark test as slow.",
     "model_data"
 ]
+filterwarnings = [
+    # https://github.com/pytest-dev/pytest-qt/issues/558
+    "ignore:Failed to disconnect .* from signal:RuntimeWarning",
+]
 
 [tool.pydocstyle]
 # Ignore files that end in _ui.py because they are machine generated
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 043e980a8..db560d81e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -190,13 +190,13 @@ pyproject-hooks==1.2.0
     # via build
 pyqt-distutils==0.7.3
     # via -r requirements/requirements-dev.in
-pyside6==6.5.3
+pyside6==6.8.0
     # via
     #   -r requirements/requirements-dev.in
     #   speedwagon (pyproject.toml)
-pyside6-addons==6.5.3
+pyside6-addons==6.8.0
     # via pyside6
-pyside6-essentials==6.5.3
+pyside6-essentials==6.8.0
     # via
     #   pyside6
     #   pyside6-addons
@@ -242,7 +242,7 @@ ruff==0.8.0
     # via -r requirements/requirements-dev.in
 secretstorage==3.3.3 ; sys_platform == 'linux'
     # via keyring
-shiboken6==6.5.3
+shiboken6==6.8.0
     # via
     #   pyside6
     #   pyside6-addons
diff --git a/requirements-gui.txt b/requirements-gui.txt
index aa46f574a..607061979 100644
--- a/requirements-gui.txt
+++ b/requirements-gui.txt
@@ -12,11 +12,11 @@ lxml==5.3.0
     # via speedwagon (pyproject.toml)
 pluggy==1.5.0
     # via speedwagon (pyproject.toml)
-pyside6==6.5.3
+pyside6==6.8.0
     # via speedwagon (pyproject.toml)
-pyside6-addons==6.5.3
+pyside6-addons==6.8.0
     # via pyside6
-pyside6-essentials==6.5.3
+pyside6-essentials==6.8.0
     # via
     #   pyside6
     #   pyside6-addons
@@ -24,7 +24,7 @@ pyyaml==6.0.2
     # via speedwagon (pyproject.toml)
 requests==2.32.3
     # via speedwagon (pyproject.toml)
-shiboken6==6.5.3
+shiboken6==6.8.0
     # via
     #   pyside6
     #   pyside6-addons
diff --git a/requirements/requirements-dev.in b/requirements/requirements-dev.in
index 8ad2fb2f8..b37930870 100644
--- a/requirements/requirements-dev.in
+++ b/requirements/requirements-dev.in
@@ -14,7 +14,7 @@ pyqt-distutils>=0.7.3
 pycodestyle>=2.5.0
 pydocstyle
 pylint
-PySide6~=6.5
+PySide6~=6.8
 pytest
 pytest-mock>=3.10.0
 pytest-qt>=3.3.0