diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5699e9c..1419198 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,7 +7,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04, macos-11, windows-2019]
-        python-version: ["3.7", "3.8", "3.9"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
         # There are issues with Tkinter & Python in the GH Actions environment
         # So we control which exact minor versions are used, which are known to
         # work, but unfortunately don't have a release for the Windows runner
@@ -23,6 +23,10 @@ jobs:
             python-version: "3.8.15"
           - os: macos-11
             python-version: "3.9.15"
+          - os: macos-11
+            python-version: "3.10.10"
+          - os: macos-11
+            python-version: "3.11"
       fail-fast: false
     name: Py ${{ matrix.python-version }} - ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
diff --git a/pyproject.toml b/pyproject.toml
index 3b1e6d5..b77ccaa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,9 @@ classifiers = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.7,<3.13"
+# Currently libusb-package is incompatible to newer Python versions
+# https://github.com/pyocd/libusb-package/issues/16
+python = "^3.7,<3.12"
 IntelHex = "^2.2.1"
 uflash = ">=1.1.0,<1.2.1"
 # This version of PyOCD fails in Python 3.10+