diff --git a/README.md b/README.md
index 14a981ceff..00377d3935 100644
--- a/README.md
+++ b/README.md
@@ -30,13 +30,13 @@ This project supports:
 
 Currently this means:
 
-* Python 3.9+
+* Python 3.10+
 * Qt 5.15, 6.2+
 * [PyQt5](https://www.riverbankcomputing.com/software/pyqt/),
   [PyQt6](https://www.riverbankcomputing.com/software/pyqt/),
   [PySide2](https://wiki.qt.io/Qt_for_Python), or
   [PySide6](https://wiki.qt.io/Qt_for_Python)
-* [`numpy`](https://github.com/numpy/numpy) 1.22+
+* [`numpy`](https://github.com/numpy/numpy) 1.23+
 
 ### Optional added functionalities
 
@@ -45,7 +45,7 @@ Through 3rd part libraries, additional functionality may be added to PyQtGraph,
 | Library        | Added functionality |
 |----------------|-|
 | [`scipy`]      | <ul><li> Image processing through [`ndimage`]</li><li> Data array filtering through [`signal`] </li><ul> |
-| [`pyopengl`]   | <ul><li> 3D graphics </li><li> Faster image processing </li><li>Note: on macOS Big Sur only works with python 3.9.1+</li></ul> |
+| [`pyopengl`]   | <ul><li> 3D graphics </li><li> Faster image processing </li></ul> |
 | [`h5py`]       | <ul><li> Export in hdf5 format </li></ul> |
 | [`colorcet`]   | <ul><li> Add a collection of perceptually uniform colormaps </li></ul> |
 | [`matplotlib`] | <ul><li> Export of PlotItem in matplotlib figure </li><li> Add matplotlib collection of colormaps </li></ul> |
diff --git a/pyqtgraph/__init__.py b/pyqtgraph/__init__.py
index 7bd4e98471..ce381a2b52 100644
--- a/pyqtgraph/__init__.py
+++ b/pyqtgraph/__init__.py
@@ -3,7 +3,7 @@
 www.pyqtgraph.org
 """
 
-__version__ = '0.13.6'
+__version__ = '0.13.7dev0'
 
 ### import all the goodies and add some helper functions for easy CLI use
 
diff --git a/setup.py b/setup.py
index f84bae9f5a..0439263826 100644
--- a/setup.py
+++ b/setup.py
@@ -123,7 +123,7 @@ def run(self):
         'style': helpers.StyleCommand
     },
     packages=find_namespace_packages(include=['pyqtgraph', 'pyqtgraph.*']),
-    python_requires=">=3.9",
+    python_requires=">=3.10",
     package_dir={"pyqtgraph": "pyqtgraph"},
     package_data={
         'pyqtgraph.examples': ['optics/*.gz', 'relativity/presets/*.cfg'],
@@ -135,7 +135,7 @@ def run(self):
         ],
     },
     install_requires = [
-        'numpy>=1.22.0',
+        'numpy>=1.23.0',
     ],
     **setupOpts
 )