diff --git a/.github/workflows/core-ganache-3.7.yaml b/.github/workflows/core-ganache-3.10.yaml
similarity index 80%
rename from .github/workflows/core-ganache-3.7.yaml
rename to .github/workflows/core-ganache-3.10.yaml
index 18b210ed5..b3d3368ce 100644
--- a/.github/workflows/core-ganache-3.7.yaml
+++ b/.github/workflows/core-ganache-3.10.yaml
@@ -1,4 +1,4 @@
-name: Core Ganache (py37)
+name: Core Ganache (py10)
 on: ["push", "pull_request"]
 
 env:
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Cache Solidity Installations
         uses: actions/cache@v2
@@ -27,16 +27,16 @@ jobs:
       - name: Install Ganache
         run: npm install -g ganache@7.0.2
 
-      - name: Setup Python 3.7
-        uses: actions/setup-python@v2
+      - name: Setup Python 3.10
+        uses: actions/setup-python@v5
         with:
-          python-version: 3.7
+          python-version: "3.10"
 
       - name: Install Tox
         run: pip install tox
 
       - name: Run Tox
-        run: tox -e py37
+        run: tox -e py310
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v1
diff --git a/tox.ini b/tox.ini
index c1dbb6d74..52f940fa8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,7 +2,7 @@
 envlist =
     lint
     docs-{local,external}
-    py{37,38,39}
+    py{38,39,310}
     {pm,evm,plugin}test
     evm-{byzantium,petersburg,istanbul,latest}
 
@@ -12,16 +12,16 @@ passenv =
     GITHUB_TOKEN
     WEB3_INFURA_PROJECT_ID
 deps =
-    py{37,38,39},{pm,plugin}test,evm-{byzantium,petersburg,istanbul,latest}: coverage==5.2.1
-    py{37,38,39},{pm,plugin}test,evm-{byzantium,petersburg,istanbul,latest}: pytest==6.0.1
-    py{37,38,39},{pm,plugin}test,evm-{byzantium,petersburg,istanbul,latest}: pytest-cov==2.10.1
-    py{37,38,39},{pm,plugin}test,evm-{byzantium,petersburg,istanbul,latest}: pytest-mock==3.3.1
-    py{37,38,39},{pm,plugin}test,evm-{byzantium,petersburg,istanbul,latest}: pytest-xdist==1.34.0
+    py{38,39,310},{pm,plugin}test,evm-{byzantium,petersburg,istanbul,latest}: coverage==5.2.1
+    py{38,39,310},{pm,plugin}test,evm-{byzantium,petersburg,istanbul,latest}: pytest==6.0.1
+    py{38,39,310},{pm,plugin}test,evm-{byzantium,petersburg,istanbul,latest}: pytest-cov==2.10.1
+    py{38,39,310},{pm,plugin}test,evm-{byzantium,petersburg,istanbul,latest}: pytest-mock==3.3.1
+    py{38,39,310},{pm,plugin}test,evm-{byzantium,petersburg,istanbul,latest}: pytest-xdist==1.34.0
     docs-{local,external}: sphinx
     docs-{local,external}: sphinx_rtd_theme
     docs-{local,external}: pygments_lexer_solidity
 commands =
-    py{37,38,39}: python -m pytest tests/ {posargs}
+    py{38,39,310}: python -m pytest tests/ {posargs}
     evm-byzantium: python -m pytest tests/ --evm 0.4.22,0.4.26,0.5.0,0.5.17,0.6.3,0.6.9 byzantium 0,10000
     evm-petersburg: python -m pytest tests/ --evm 0.5.5,0.5.17,0.6.3,0.6.9 petersburg 0,10000
     evm-istanbul: python -m pytest tests/ --evm 0.5.13,0.5.17,0.6.3,0.6.9 istanbul 0,10000
@@ -43,5 +43,3 @@ commands =
     black --check {toxinidir}/brownie {toxinidir}/tests
     flake8 {toxinidir}/brownie {toxinidir}/tests
     isort --check-only --diff {toxinidir}/brownie {toxinidir}/tests --skip brownie/__init__.py
-    mypy --disallow-untyped-defs {toxinidir}/brownie/convert {toxinidir}/brownie/network {toxinidir}/brownie/project
-    mypy --allow-untyped-defs {toxinidir}/brownie