diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0b76c9c..41357fd 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,23 +10,23 @@ jobs:
     name: "run tox"
     strategy:
       matrix:
-        python-version: [3.8, 3.9, "3.10", 3.11]
+        python-version: ["3.10", 3.11, 3.12]
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install tox tox-gh-actions
-    - name: Test with tox
-      env:
-        CODECOV_TOKEN: "889b90e8-e5a8-4139-aef6-87e6f2e1a0a4"
-      run: tox
-      
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install tox tox-gh-actions
+      - name: Test with tox
+        env:
+          CODECOV_TOKEN: "889b90e8-e5a8-4139-aef6-87e6f2e1a0a4"
+        run: tox
+
   package:
     name: "Build & verify package"
     runs-on: "ubuntu-latest"
@@ -35,7 +35,7 @@ jobs:
       - uses: "actions/checkout@v4"
       - uses: "actions/setup-python@v5"
         with:
-          python-version: "3.9"
+          python-version: "3.11"
 
       - name: "Install pep517 and twine"
         run: "python -m pip install pep517 twine"
diff --git a/requirements.txt b/requirements.txt
index 81a71c9..5760bd7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,16 +10,14 @@ charset-normalizer==3.3.2
     # via requests
 idna==3.6
     # via requests
+pyyaml==6.0.1
+    # via responses
 requests==2.31.0
     # via
     #   -r requirements.in
     #   responses
 responses==0.24.1
     # via -r requirements.in
-toml==0.10.2
-    # via responses
-types-toml==0.10.8.7
-    # via responses
 urllib3==2.1.0
     # via
     #   requests
diff --git a/tox.ini b/tox.ini
index d47a2dc..a7d6608 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,26 +3,25 @@ envlist =
   clean
   pylint
   flake8
-  py38
-  py39
   py310
   py311
+  py312
   report
 skip_missing_interpreters = True
 #requires =
 #  tox-pip-extensions
 basepython =
-  py38: python3.8
-  py39: python3.9
   py310: python3.10
   py311: python3.11
+  py311: python3.12
 
 [gh-actions]
 python =
-    3.8: py38, clean, pylint, flake8, report
+    3.8: py38
     3.9: py39
     "3.10": py310
-    3.11: py311
+    3.11: py311, clean, pylint, flake8, report
+    3.12: py312
 
 [testenv]
 deps =
@@ -51,7 +50,7 @@ commands =
   codecov -e TOXENV
 
 [testenv:flake8]
-basepython = python3.6
+basepython = python3.11
 deps = flake8
        flake8-isort
        flake8-black