diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index d4624c0..48f172b 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -28,98 +28,37 @@ jobs:
     - name: Run Tox
       run: tox -e lint
 
-  py36:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Setup Python 3.6
-      uses: actions/setup-python@v2
-      with:
-        python-version: 3.6
-
-    - name: Install Tox
-      run: pip install tox wheel
-
-    - name: Run Tox
-      run: tox -e py36
-
-    - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v1
-      with:
-        file: ./coverage.xml
-        fail_ci_if_error: true
-
-  py37:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Setup Python 3.7
-      uses: actions/setup-python@v2
-      with:
-        python-version: 3.7
-
-    - name: Install Tox
-      run: pip install tox wheel
-
-    - name: Run Tox
-      run: tox -e py37
-
-    - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v1
-      with:
-        file: ./coverage.xml
-        fail_ci_if_error: true
-
-  py38:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Setup Python 3.8
-      uses: actions/setup-python@v2
-      with:
-        python-version: 3.8
-
-    - name: Install Tox
-      run: pip install tox wheel
-
-    - name: Run Tox
-      run: tox -e py38
-
-    - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v1
-      with:
-        file: ./coverage.xml
-        fail_ci_if_error: true
-
-  py39:
-    runs-on: ${{ matrix.os }}
+  test:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-latest, ubuntu-latest, windows-latest]
+        os: [ubuntu-latest]
+        python-version: [["3.8", "38"], ["3.9", "39"], ["3.10", "310"], ["3.11", "311"], ["3.12", "312"]]
+        include:
+          - os: macos-latest
+            python-version: ["3.11", "311"]
+          - os: windows-latest
+            python-version: ["3.11", "311"]
+
+    runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
-    - name: Setup Python 3.9
+    - name: Setup Python ${{ matrix.python-version[0] }}
       uses: actions/setup-python@v2
       with:
-        python-version: 3.9
+        python-version: ${{ matrix.python-version[0] }}
 
     - name: Install Tox
       run: pip install tox wheel
 
     - name: Run Tox
-      run: tox -e py39
+      run: tox -e py${{ matrix.python-version[1] }}
 
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v1
       with:
         file: ./coverage.xml
-        fail_ci_if_error: true
+        # for now not failing, this may be reverted once we set it up properly
+        fail_ci_if_error: false
diff --git a/.gitignore b/.gitignore
index b6e4761..bd6ad26 100644
--- a/.gitignore
+++ b/.gitignore
@@ -127,3 +127,6 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+# PyCharm
+.idea/
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c0650f..5e1fb8c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased](https://github.com/vyperlang/vvm/)
 ### Changed
 - Update contact information in `CONTRIBUTING.md`
+- Update dependencies. Minimum python version is now 3.8 ([#22](https://github.com/vyperlang/vvm/pull/22))
 
 ## [0.1.0](https://github.com/vyperlang/vvm/tree/v0.1.0) - 2020-10-07
 ### Added
diff --git a/README.md b/README.md
index 936b11a..acf7e82 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # vvm
 
-[![Pypi Status](https://img.shields.io/pypi/v/vvm.svg)](https://pypi.org/project/vvm/) [![Build Status](https://img.shields.io/github/workflow/status/vyperlang/vvm/vvm%20workflow)](https://github.com/vyperlang/vvm/actions) [![Coverage Status](https://img.shields.io/codecov/c/github/vyperlang/vvm)](https://codecov.io/gh/vyperlang/vvm)
+[![Pypi Status](https://img.shields.io/pypi/v/vvm.svg)](https://pypi.org/project/vvm/) [![Build Status](https://img.shields.io/github/actions/workflow/status/vyperlang/vvm/main.yaml?branch=master)](https://github.com/vyperlang/vvm/actions) [![Coverage Status](https://img.shields.io/codecov/c/github/vyperlang/vvm)](https://codecov.io/gh/vyperlang/vvm)
 
 Vyper version management tool.
 
diff --git a/pyproject.toml b/pyproject.toml
index e4603ae..6bd8c60 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.black]
 line-length = 100
-target-version = ['py36', 'py37', 'py38']
+target-version = ['py38', 'py39', 'py310', 'py311', 'py312']
 include = '\.pyi?$'
 exclude = '''
 /(
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2ee9944..dab7795 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,11 +1,12 @@
-black==24.4.2
-bumpversion==0.5.3
-flake8==3.8.3
-isort==4.3.21
-mypy==0.982
-pytest>6.0.0,<7.0.0
-pytest-cov==2.10.1
-tox==3.18.0
-tqdm>=4.41.0,<5.0.0
-twine>=4.0.2,<5.0.0
-wheel>=0.35.1
+black==24.8.0
+bumpversion>=0.6.0,<1.0.0
+flake8>=7.1.1,<8.0.0
+isort>=5.13.2,<6.0.0
+mypy>=1.11.2,<2.0.0
+pytest>=8.3.2,<9.0.0
+pytest-cov>=5.0.0,<6.0.0
+tox>=4.18.0,<5.0.0
+tqdm>=4.66.5,<5.0.0
+twine>=5.1.1,<6.0.0
+wheel>=0.44.0,<1.0.0
+types-requests>2.32.0,<3.0.0
\ No newline at end of file
diff --git a/setup.py b/setup.py
index c8bb10a..fca6a1d 100644
--- a/setup.py
+++ b/setup.py
@@ -16,8 +16,8 @@
     url="https://github.com/vyperlang/vvm",
     include_package_data=True,
     py_modules=["vvm"],
-    python_requires=">=3.6, <4",
-    install_requires=["requests>=2.19.0,<3", "packaging>=23.1,<24"],
+    python_requires=">=3.8, <4",
+    install_requires=["requests>=2.32.3,<3", "packaging>=24.1,<25"],
     license="MIT",
     zip_safe=False,
     keywords="ethereum vyper",
diff --git a/tests/conftest.py b/tests/conftest.py
index 098eec0..0e39069 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,8 +1,8 @@
 #!/usr/bin/python3
 
 import pytest
-from requests import ConnectionError
 from packaging.version import Version
+from requests import ConnectionError
 
 import vvm
 
@@ -67,8 +67,10 @@ def all_versions(request):
 @pytest.fixture
 def foo_source(all_versions):
     visibility = "external" if all_versions >= Version("0.2.0") else "public"
+    interface = "IERC20" if all_versions >= Version("0.4.0a") else "ERC20"
+    import_path = "ethereum.ercs" if all_versions >= Version("0.4.0a") else "vyper.interfaces"
     yield f"""
-from vyper.interfaces import ERC20
+from {import_path} import {interface}
 
 @{visibility}
 def foo() -> int128:
diff --git a/tests/test_compile_source.py b/tests/test_compile_source.py
index c8f0cb5..ff7f400 100644
--- a/tests/test_compile_source.py
+++ b/tests/test_compile_source.py
@@ -1,14 +1,19 @@
 import pytest
+from packaging.version import Version
 
 import vvm
 
 
-def test_compile_source(foo_source):
+def test_compile_source(foo_source, all_versions):
+    if Version("0.4.0b1") <= all_versions <= Version("0.4.0b5"):
+        pytest.skip("vyper 0.4.0b1 to 0.4.0b5 have a bug with combined_json")
     output = vvm.compile_source(foo_source)
     assert "<stdin>" in output
 
 
-def test_compile_files(foo_path):
+def test_compile_files(foo_path, all_versions):
+    if Version("0.4.0b1") <= all_versions <= Version("0.4.0b5"):
+        pytest.skip("vyper 0.4.0b1 to 0.4.0b5 have a bug with combined_json")
     output = vvm.compile_files([foo_path])
     assert foo_path.as_posix() in output
 
diff --git a/tox.ini b/tox.ini
index 914ba79..5960bc5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,19 +1,19 @@
 [tox]
 envlist =
     lint
-    py{36,37,38,39}
+    py{38,39,310,311,312}
 
 [testenv]
 passenv =
     GITHUB_TOKEN
 deps = -r{toxinidir}/requirements-dev.txt
 commands =
-    py{36,37,38,39}: python -m pytest tests/
+    py{38,39,310,311,312}: python -m pytest tests/
 
 [testenv:lint]
 extras=linter
 commands =
     black --check {toxinidir}/vvm {toxinidir}/tests
     flake8 {toxinidir}/vvm {toxinidir}/tests
-    isort --check-only --diff --recursive {toxinidir}/vvm {toxinidir}/tests
-    mypy --disallow-untyped-defs {toxinidir}/vvm
+    isort --check-only --diff {toxinidir}/vvm {toxinidir}/tests
+    mypy --disallow-untyped-defs {toxinidir}/vvm --implicit-optional