diff --git a/.github/workflows/compatibility.yml b/.github/workflows/compatibility.yml
deleted file mode 100644
index ae7d928..0000000
--- a/.github/workflows/compatibility.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-name: Python Compatibility
-on: [push, pull_request, workflow_dispatch]
-
-jobs: 
-  test-py38:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - python-version: "3.8"
-            python-include: "python3.8"
-            tox-env: "py38"
-            allow_failure: false
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-          lfs: true
-      - uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.python-version }}
-          cache: "pip"
-          cache-dependency-path: "pyproject.toml"
-      - run: pip install "tox==4.2.4"
-      - if: ${{ github.ref_name == 'main' }}
-        run: sed -i 's/\[tool.setuptools_scm\]/\[tool.setuptools_scm\]\nlocal_scheme = "no-local-version"/' pyproject.toml
-      - env:
-          C_INCLUDE_PATH: ${{ env.pythonLocation }}/include/${{ matrix.python-include }}
-        run: tox run -e ${{ matrix.tox-env }}
-      - uses: codecov/codecov-action@v3
-        with:
-          env_vars: PYTHON
-          files: coverage.xml
-          flags: unittests
-          verbose: true
-      - uses: actions/upload-artifact@v3
-        with:
-          name: coverage
-          path: coverage.xml
diff --git a/pyproject.toml b/pyproject.toml
index 0b296a9..d180edc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ build-backend = "setuptools.build_meta"
 name = "flow.record"
 description = "A library for defining and creating structured data (called records) that can be streamed to disk or piped to other tools that use flow.record"
 readme = "README.md"
-requires-python = "~=3.8"
+requires-python = "~=3.9"
 license.text = "Affero General Public License v3"
 authors = [
   {name = "Dissect Team", email = "dissect@fox-it.com"}
@@ -24,7 +24,6 @@ classifiers = [
 ]
 dependencies = [
     "msgpack>=0.5.2",
-    "backports.zoneinfo[tzdata]; python_version<'3.9'",
     "tzdata; platform_system=='Windows'",
 ]
 dynamic = ["version"]
diff --git a/tox.ini b/tox.ini
index c074376..0f3303b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -50,7 +50,7 @@ deps =
     vermin
 commands =
     flake8 flow tests
-    vermin -t=3.8- --no-tips --lint --exclude zoneinfo flow tests
+    vermin --target=3.9 --no-tips --lint flow tests
 
 [flake8]
 max-line-length = 120