diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a202a66d7..d6c69e002 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,13 +9,19 @@ on:
 
 jobs:
   lint-black:
+    strategy:
+      matrix:
+        # minimum tested python version
+        # maximum python version
+        py-version: [ "3.11.5", "3.12.13"]
+
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: ${{ matrix.py-version }}
       - uses: psf/black@stable
         with:
           options: "--check --verbose"
@@ -38,13 +44,18 @@ jobs:
           src: "./tests"
           
   lint-pylint:
+    strategy:
+      matrix:
+        # minimum tested python version
+        # maximum python version
+        py-version: [ "3.11.5", "3.12.13"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: ${{ matrix.py-version }}
       - name: Install dependencies
         run: |
           python3 -m pip install --upgrade pip
@@ -57,17 +68,27 @@ jobs:
           pylint src
 
   check-translations:
+    strategy:
+      matrix:
+        # minimum tested python version
+        # maximum python version
+        py-version: [ "3.11.5", "3.12.13"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: ${{ matrix.py-version }}
       - name: Validate translations
         run: cd i18n && python3 i18n.py validate
 
   run-tests:
+    strategy:
+      matrix:
+        # minimum tested python version
+        # maximum python version
+        py-version: [ "3.11.5", "3.12.13"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -76,7 +97,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: ${{ matrix.py-version }}
       - name: Install dependencies
         run: |
           python3 -m pip install --upgrade pip
@@ -95,7 +116,8 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          # no need to use many coverages
+          python-version: 3.12.13
       - name: Install dependencies
         run: |
           python3 -m pip install --upgrade pip
diff --git a/poetry.lock b/poetry.lock
index 3aa16bf64..9562294f0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.3.3 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.3.1 and should not be changed by hand.
 
 [[package]]
 name = "astroid"
@@ -420,15 +420,15 @@ profile = ["gprof2dot (>=2022.7.29)"]
 [[package]]
 name = "embit"
 version = "0.8.0"
-description = "A minimal bitcoin library for MicroPython and Python3 with a focus on embedded systems."
+description = "A minimal bitcoin library for MicroPython and CPython 3.10+ with a focus on embedded systems."
 optional = false
-python-versions = "^3.0"
+python-versions = ">=3.10"
 groups = ["main"]
 files = []
 develop = true
 
 [package.extras]
-dev = ["black", "mkdocs", "mkdocs-material", "mkdocstrings[python]", "mypy", "pre-commit", "pytest", "pytest-cov", "requests"]
+dev = ["black", "mkdocs", "mkdocs-material", "mkdocstrings[python]", "mypy", "pre-commit", "pytest", "pytest-cov", "requests", "ruff"]
 
 [package.source]
 type = "directory"
@@ -1301,7 +1301,10 @@ files = [
 [package.dependencies]
 astroid = ">=4.0.2,<=4.1.dev0"
 colorama = {version = ">=0.4.5", markers = "sys_platform == \"win32\""}
-dill = {version = ">=0.3.7", markers = "python_version >= \"3.12\""}
+dill = [
+    {version = ">=0.3.7", markers = "python_version >= \"3.12\""},
+    {version = ">=0.3.6", markers = "python_version == \"3.11\""},
+]
 isort = ">=5,<5.13 || >5.13,<9"
 mccabe = ">=0.6,<0.8"
 platformdirs = ">=2.2"
@@ -1825,5 +1828,5 @@ simulator = ["Pillow", "numpy", "opencv-python", "pygame", "pyzbar"]
 
 [metadata]
 lock-version = "2.1"
-python-versions = "^3.12.3"
-content-hash = "70d5a90b1031241e83ab4cf3c73c0ab8a469368e8cd8a6761b0faf94f321b505"
+python-versions = ">=3.11.5, <3.13"
+content-hash = "84b3333b5d91b1529bc96f97b53be9fd952aef6d8e103d1e2d8221d2884a915a"
diff --git a/pyproject.toml b/pyproject.toml
index 7e7950ad8..0be8d0789 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ readme = "README.md"
 license = "MIT"
 
 [tool.poetry.dependencies]
-python = "^3.12.3"
+python = ">=3.11.5, <3.13" # minimum and maximum supported
 embit = { path = "./vendor/embit/", develop = true }
 ur = { path = "./vendor/foundation-ur-py/", develop = true }
 urtypes = { path = "./vendor/urtypes/", develop = true }