diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index c0f6d235..74223844 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -20,9 +20,19 @@ jobs:
         with:
           python-version: "3.9.13"
 
-      - name: flake8 Lint
-        uses: py-actions/flake8@v2
+      #----------------------------------------------
+      #        load pip cache if cache exists
+      #----------------------------------------------
+      - uses: actions/cache@v2
         with:
-          ignore: "W503,E501,F811,F541,W605,E203,F405,E722,W191,F403,F821,E101,N806,N802,N801,N811,N818"
-          exclude: "nibiru/proto/*"
-          max-line-length: "88"
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip
+          restore-keys: ${{ runner.os }}-pip
+      #----------------------------------------------
+      #          install and run linters
+      #----------------------------------------------
+      - run: python -m pip install black flake8 isort
+      - run: |
+          flake8 .
+          black . --check
+          isort .
diff --git a/pyproject.toml b/pyproject.toml
index 74074824..d9a98138 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,6 +42,11 @@ extend-exclude = '''
 )$
 '''
 
+[tool.isort]
+profile = "black"
+py_version = 39
+skip_glob = ["nibiru/proto/*"]
+
 [build-system]
 requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"
diff --git a/setup.cfg b/setup.cfg
index 73706526..b4438eaa 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [flake8]
 max-line-length = 88
-exclude = .git,nibiru/proto/*
+exclude = .git,nibiru/proto/*,build/
 ignore = W503,E501,F811,F541,W605,E203,F405,E722,W191,F403,F821,E101,N806,N802,N801,N811,N818
 
 [options]