diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 12c6d406..2b8306fa 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -28,10 +28,5 @@ jobs:
           python-version: "3.9"
           cache: "pip"
 
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          python -m pip install --upgrade nox
-
       - name: Build documentation
-        run: python -m nox --error-on-missing-interpreters -s docs
+        run: pipx run nox --error-on-missing-interpreters -s docs
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 4ee78b48..c69c1f5e 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -30,13 +30,8 @@ jobs:
           python-version: "3.9"
           cache: "pip"
 
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          python -m pip install --upgrade nox
-
       - name: Run `nox -s lint`
-        run: python -m nox --error-on-missing-interpreters -s lint
+        run: pipx run nox --error-on-missing-interpreters -s lint
 
   build:
     name: Build sdist and wheel
@@ -50,17 +45,8 @@ jobs:
     steps:
       - uses: actions/checkout@v1
 
-      - uses: actions/setup-python@v3
-        name: Install Python
-        with:
-          python-version: "3.9"
-          cache: 'pip'
-
-      - name: Install dependencies
-        run: python -m pip install --upgrade build
-
       - name: Build
-        run: pyproject-build
+        run: pipx run build
 
       - name: Archive files
         uses: actions/upload-artifact@v1
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index af72cb23..f5c20228 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -34,21 +34,11 @@ jobs:
           python-version: ${{ matrix.python_version }}
           cache: "pip"
 
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          python -m pip install nox
-        shell: bash
-
       - name: Run nox
-        run: |
-          python -m nox --error-on-missing-interpreters -s tests-${{ matrix.python_version }}
-        shell: bash
+        run: pipx run nox --error-on-missing-interpreters -s tests-${{ matrix.python_version }}
         if: ${{ ! startsWith( matrix.python_version, 'pypy' ) }}
 
       # Binary is named 'pypy3', but setup-python specifies it as 'pypy-3.x'.
       - name: Run nox for pypy3
-        run: |
-          python -m nox --error-on-missing-interpreters -s tests-pypy3
-        shell: bash
+        run: pipx run nox --error-on-missing-interpreters -s tests-pypy3
         if: ${{ startsWith( matrix.python_version, 'pypy' ) }}