diff --git a/.github/workflows/node-4+.yml b/.github/workflows/node-4+.yml
index 6d8bd48..aedd412 100644
--- a/.github/workflows/node-4+.yml
+++ b/.github/workflows/node-4+.yml
@@ -24,25 +24,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: dcodeIO/setup-node-nvm@master
-        name: Use Node.js ${{ matrix.node-version }}
+      - uses: ljharb/actions/node/run@main
+        name: 'npm install && npm run tests-only'
         with:
           node-version: ${{ matrix.node-version }}
-      - name: 'upgrade npm, npm install'
-        run: |
-          . /home/runner/mynvm/nvm.sh
-          nvm install-latest-npm
-          export CI_RESET_NODE_VERSION=1
-          case "${{ matrix.node-version }}" in
-            0.5|0.5.*|0.6|0.6.*|0.7|0.7.*|0.9|0.9.*) nvm install --latest-npm 0.8 ;;
-            5.*|6.1|6.2                            ) nvm install --latest-npm 6 ;;
-            9.0|9.1|9.2                            ) nvm install --latest-npm 9 ;;
-            *                                      ) export CI_RESET_NODE_VERSION=0 ;;
-          esac
-          npm install
-          if [ "${CI_RESET_NODE_VERSION-}" = 1 ]; then nvm use "${{ matrix.node-version }}"; fi
-      - run: npm run tests-only
-      - run: if [ -f coverage/*.json ]; then bash <(curl -s https://codecov.io/bash) -f coverage/*.json; fi
+          command: 'tests-only'
   minors:
     needs: [matrix, latest]
     name: 'non-latest minors'
@@ -55,25 +41,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: dcodeIO/setup-node-nvm@master
-        name: Use Node.js ${{ matrix.node-version }}
+      - uses: ljharb/actions/node/run@main
         with:
           node-version: ${{ matrix.node-version }}
-      - name: 'upgrade npm, npm install'
-        run: |
-          . /home/runner/mynvm/nvm.sh
-          nvm install-latest-npm
-          export CI_RESET_NODE_VERSION=1
-          case "${{ matrix.node-version }}" in
-            0.5|0.5.*|0.6|0.6.*|0.7|0.7.*|0.9|0.9.*) nvm install --latest-npm 0.8 ;;
-            5.*|6.1|6.2                            ) nvm install --latest-npm 6 ;;
-            9.0|9.1|9.2                            ) nvm install --latest-npm 9 ;;
-            *                                      ) export CI_RESET_NODE_VERSION=0 ;;
-          esac
-          npm install
-          if [ "${CI_RESET_NODE_VERSION-}" = 1 ]; then nvm use "${{ matrix.node-version }}"; fi
-      - run: npm run tests-only
-      - run: if [ -f coverage/*.json ]; then bash <(curl -s https://codecov.io/bash) -f coverage/*.json; fi
+          command: 'tests-only'
 
   node:
     name: 'node 4+'
diff --git a/.github/workflows/node-iojs.yml b/.github/workflows/node-iojs.yml
index 98dd7c7..dae1152 100644
--- a/.github/workflows/node-iojs.yml
+++ b/.github/workflows/node-iojs.yml
@@ -24,15 +24,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: dcodeIO/setup-node-nvm@master
-        name: Use Node.js ${{ matrix.node-version }}
+      - uses: ljharb/actions/node/run@main
+        name: 'npm install && npm run tests-only'
         with:
           node-version: ${{ matrix.node-version }}
-      - name: 'upgrade npm, npm install'
-        run: . /home/runner/mynvm/nvm.sh && nvm install-latest-npm
-      - run: npm install
-      - run: npm run tests-only
-      - run: if [ -f coverage/*.json ]; then bash <(curl -s https://codecov.io/bash) -f coverage/*.json; fi
+          command: 'tests-only'
   minors:
     needs: [matrix, latest]
     name: 'non-latest minors'
@@ -45,29 +41,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: dcodeIO/setup-node-nvm@master
-        name: Use Node.js ${{ matrix.node-version }}
+      - uses: ljharb/actions/node/run@main
+        name: 'npm install && npm run tests-only'
         with:
           node-version: ${{ matrix.node-version }}
-      - name: 'upgrade npm, npm install'
-        run: |
-          . /home/runner/mynvm/nvm.sh
-          case "${{ matrix.node-version }}" in
-            0.*            ) export NPM_CONFIG_STRICT_SSL=false ;;
-          esac
-          nvm install-latest-npm
-          export CI_RESET_NODE_VERSION=1
-          case "${{ matrix.node-version }}" in
-            0.5|0.5.*|0.6|0.6.*|0.7|0.7.*|0.9|0.9.*) nvm install --latest-npm 0.8 ;;
-            5.*|6.1|6.2                            ) nvm install --latest-npm 6 ;;
-            9.0|9.1|9.2                            ) nvm install --latest-npm 9 ;;
-            *                                      ) export CI_RESET_NODE_VERSION=0 ;;
-          esac
-          npm install
-          if [ "${CI_RESET_NODE_VERSION-}" = 1 ]; then nvm use "${{ matrix.node-version }}"; fi
-      - run: npm install
-      - run: npm run tests-only
-      - run: if [ -f coverage/*.json ]; then bash <(curl -s https://codecov.io/bash) -f coverage/*.json; fi
+          command: 'tests-only'
 
   node:
     name: 'io.js'
diff --git a/.github/workflows/node-pretest.yml b/.github/workflows/node-pretest.yml
index 0483890..d6bed12 100644
--- a/.github/workflows/node-pretest.yml
+++ b/.github/workflows/node-pretest.yml
@@ -9,47 +9,19 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: dcodeIO/setup-node-nvm@master
-        name: Use Node.js `lts/*`
+      - uses: ljharb/actions/node/run@main
+        name: 'npm install && npm run pretest'
         with:
-          node-version: "lts/*"
-      - name: 'upgrade npm, npm install'
-        run: |
-          . /home/runner/mynvm/nvm.sh
-          nvm install-latest-npm
-          export CI_RESET_NODE_VERSION=1
-          case "${{ matrix.node-version }}" in
-            0.5|0.5.*|0.6|0.6.*|0.7|0.7.*|0.9|0.9.*) nvm install --latest-npm 0.8 ;;
-            5.*|6.1|6.2                            ) nvm install --latest-npm 6 ;;
-            9.0|9.1|9.2                            ) nvm install --latest-npm 9 ;;
-            *                                      ) export CI_RESET_NODE_VERSION=0 ;;
-          esac
-          npm install
-          if [ "${CI_RESET_NODE_VERSION-}" = 1 ]; then nvm use "${{ matrix.node-version }}"; fi
-      - run: npm run pretest
-      - run: if [ -f coverage/*.json ]; then bash <(curl -s https://codecov.io/bash) -f coverage/*.json; fi
+          node-version: 'lts/*'
+          command: 'pretest'
 
   posttest:
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v2
-      - uses: dcodeIO/setup-node-nvm@master
-        name: Use Node.js `lts/*`
+      - uses: ljharb/actions/node/run@main
+        name: 'npm install && npm run posttest'
         with:
-          node-version: "lts/*"
-      - name: 'upgrade npm, npm install'
-        run: |
-          . /home/runner/mynvm/nvm.sh
-          nvm install-latest-npm
-          export CI_RESET_NODE_VERSION=1
-          case "${{ matrix.node-version }}" in
-            0.5|0.5.*|0.6|0.6.*|0.7|0.7.*|0.9|0.9.*) nvm install --latest-npm 0.8 ;;
-            5.*|6.1|6.2                            ) nvm install --latest-npm 6 ;;
-            9.0|9.1|9.2                            ) nvm install --latest-npm 9 ;;
-            *                                      ) export CI_RESET_NODE_VERSION=0 ;;
-          esac
-          npm install
-          if [ "${CI_RESET_NODE_VERSION-}" = 1 ]; then nvm use "${{ matrix.node-version }}"; fi
-      - run: npm run posttest
-      - run: if [ -f coverage/*.json ]; then bash <(curl -s https://codecov.io/bash) -f coverage/*.json; fi
\ No newline at end of file
+          node-version: 'lts/*'
+          command: 'posttest'
\ No newline at end of file
diff --git a/.github/workflows/node-zero.yml b/.github/workflows/node-zero.yml
index 71207f3..d8d8f8c 100644
--- a/.github/workflows/node-zero.yml
+++ b/.github/workflows/node-zero.yml
@@ -24,35 +24,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: dcodeIO/setup-node-nvm@master
-        name: Use Node.js ${{ matrix.node-version }}
+      - uses: ljharb/actions/node/run@main
         with:
           node-version: ${{ matrix.node-version }}
-      - name: Cache node modules
-        id: cache_node_modules
-        uses: actions/cache@v1
-        with:
-          path: node_modules
-          key: node_modules-${{ github.workflow }}-${{ github.action }}-${{ github.run_id }}
-      - if: steps.cache_node_modules.cache-hit != 'true'
-        name: 'upgrade npm, npm install'
-        run: |
-          . /home/runner/mynvm/nvm.sh
-          case "${{ matrix.node-version }}" in
-            0.*            ) export NPM_CONFIG_STRICT_SSL=false ;;
-          esac
-          nvm install-latest-npm
-          export CI_RESET_NODE_VERSION=1
-          case "${{ matrix.node-version }}" in
-            0.5|0.5.*|0.6|0.6.*|0.7|0.7.*|0.9|0.9.*) nvm install --latest-npm 0.8 ;;
-            5.*|6.1|6.2                            ) nvm install --latest-npm 6 ;;
-            9.0|9.1|9.2                            ) nvm install --latest-npm 9 ;;
-            *                                      ) export CI_RESET_NODE_VERSION=0 ;;
-          esac
-          npm install
-          if [ "${CI_RESET_NODE_VERSION-}" = 1 ]; then nvm use "${{ matrix.node-version }}"; fi
-      - run: npm run tests-only
-      - run: if [ -f coverage/*.json ]; then bash <(curl -s https://codecov.io/bash) -f coverage/*.json; fi
+          command: 'tests-only'
+          cache-node-modules-key: node_modules-${{ github.workflow }}-${{ github.action }}-${{ github.run_id }}
   unstable:
     needs: [matrix, stable]
     name: 'unstable minors'
@@ -65,33 +41,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: dcodeIO/setup-node-nvm@master
-        name: Use Node.js ${{ matrix.node-version }}
+      - uses: ljharb/actions/node/run@main
         with:
           node-version: ${{ matrix.node-version }}
-      - name: Cache node modules
-        id: cache_node_modules
-        uses: actions/cache@v1
-        with:
-          path: node_modules
-          key: node_modules-${{ github.workflow }}-${{ github.action }}-${{ github.run_id }}
-      - if: steps.cache_node_modules.cache-hit != 'true'
-        name: 'upgrade npm, npm install'
-        run: |
-          . /home/runner/mynvm/nvm.sh
-          case "${{ matrix.node-version }}" in
-            0.*            ) export NPM_CONFIG_STRICT_SSL=false ;;
-          esac
-          nvm install-latest-npm
-          export CI_RESET_NODE_VERSION=1
-          case "${{ matrix.node-version }}" in
-            0.5|0.6|0.7|0.9) nvm install --latest-npm 0.8 ;;
-            *              ) export CI_RESET_NODE_VERSION=0 ;;
-          esac
-          npm install
-          if [ "${CI_RESET_NODE_VERSION-}" = 1 ]; then nvm use "${{ matrix.node-version }}"; fi
-      - run: npm run tests-only
-      - run: if [ -f coverage/*.json ]; then bash <(curl -s https://codecov.io/bash) -f coverage/*.json; fi
+          command: 'tests-only'
+          cache-node-modules-key: node_modules-${{ github.workflow }}-${{ github.action }}-${{ github.run_id }}
 
   node:
     name: 'node 0.x'
diff --git a/.github/workflows/ses.yml b/.github/workflows/ses.yml
index 2aa3011..8f76e4d 100644
--- a/.github/workflows/ses.yml
+++ b/.github/workflows/ses.yml
@@ -15,25 +15,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: dcodeIO/setup-node-nvm@master
-        name: Use Node.js ${{ matrix.node-version }}
+      - uses: ljharb/actions/node/run@main
+        name: 'npm install && npm run test:ses'
         with:
           node-version: ${{ matrix.node-version }}
-      - name: 'upgrade npm, npm install'
-        run: |
-          . /home/runner/mynvm/nvm.sh
-          nvm install-latest-npm
-          export CI_RESET_NODE_VERSION=1
-          case "${{ matrix.node-version }}" in
-            0.5|0.5.*|0.6|0.6.*|0.7|0.7.*|0.9|0.9.*) nvm install --latest-npm 0.8 ;;
-            5.*|6.1|6.2                            ) nvm install --latest-npm 6 ;;
-            9.0|9.1|9.2                            ) nvm install --latest-npm 9 ;;
-            *                                      ) export CI_RESET_NODE_VERSION=0 ;;
-          esac
-          npm install
-          if [ "${CI_RESET_NODE_VERSION-}" = 1 ]; then nvm use "${{ matrix.node-version }}"; fi
-      - run: npm run test:ses
-      - run: if [ -f coverage/*.json ]; then bash <(curl -s https://codecov.io/bash) -f coverage/*.json; fi
+          command: 'test:ses'
 
   SES:
     needs: [tests]