diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index 60bb334..4cd5b7c 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v3
         with:
-          node-version: 18.x
+          node-version: 16.x
       - name: Install npm@latest
         run: npm i --prefer-online --no-fund --no-audit -g npm@latest
       - name: npm Version
diff --git a/.github/workflows/ci-release.yml b/.github/workflows/ci-release.yml
index 6143296..64c0c59 100644
--- a/.github/workflows/ci-release.yml
+++ b/.github/workflows/ci-release.yml
@@ -47,7 +47,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v3
         with:
-          node-version: 18.x
+          node-version: 16.x
       - name: Install npm@latest
         run: npm i --prefer-online --no-fund --no-audit -g npm@latest
       - name: npm Version
@@ -83,12 +83,12 @@ jobs:
             os: windows-latest
             shell: cmd
         node-version:
-          - 14.17.0
+          - 12.13.0
+          - 12.x
+          - 14.15.0
           - 14.x
-          - 16.13.0
+          - 16.0.0
           - 16.x
-          - 18.0.0
-          - 18.x
     runs-on: ${{ matrix.platform.os }}
     defaults:
       run:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7043ab9..ea0dbf0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v3
         with:
-          node-version: 18.x
+          node-version: 16.x
       - name: Install npm@latest
         run: npm i --prefer-online --no-fund --no-audit -g npm@latest
       - name: npm Version
@@ -60,12 +60,12 @@ jobs:
             os: windows-latest
             shell: cmd
         node-version:
-          - 14.17.0
+          - 12.13.0
+          - 12.x
+          - 14.15.0
           - 14.x
-          - 16.13.0
+          - 16.0.0
           - 16.x
-          - 18.0.0
-          - 18.x
     runs-on: ${{ matrix.platform.os }}
     defaults:
       run:
diff --git a/.github/workflows/post-dependabot.yml b/.github/workflows/post-dependabot.yml
index 98acf69..ebe7342 100644
--- a/.github/workflows/post-dependabot.yml
+++ b/.github/workflows/post-dependabot.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v3
         with:
-          node-version: 18.x
+          node-version: 16.x
       - name: Install npm@latest
         run: npm i --prefer-online --no-fund --no-audit -g npm@latest
       - name: npm Version
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 1a1d1ee..2ad4008 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -30,7 +30,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v3
         with:
-          node-version: 18.x
+          node-version: 16.x
       - name: Install npm@latest
         run: npm i --prefer-online --no-fund --no-audit -g npm@latest
       - name: npm Version
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4ed0a12..ad4a754 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -40,7 +40,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v3
         with:
-          node-version: 18.x
+          node-version: 16.x
       - name: Install npm@latest
         run: npm i --prefer-online --no-fund --no-audit -g npm@latest
       - name: npm Version
@@ -120,7 +120,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v3
         with:
-          node-version: 18.x
+          node-version: 16.x
       - name: Install npm@latest
         run: npm i --prefer-online --no-fund --no-audit -g npm@latest
       - name: npm Version
@@ -221,7 +221,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v3
         with:
-          node-version: 18.x
+          node-version: 16.x
       - name: Install npm@latest
         run: npm i --prefer-online --no-fund --no-audit -g npm@latest
       - name: npm Version
diff --git a/package.json b/package.json
index 84b4357..08e6ded 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
   },
   "homepage": "https://github.com/npm/npm-package-arg",
   "engines": {
-    "node": "^14.17.0 || ^16.13.0 || >=18.0.0"
+    "node": "^12.13.0 || ^14.15.0 || >=16.0.0"
   },
   "tap": {
     "branches": 97,
@@ -57,6 +57,14 @@
     "version": "4.3.2",
     "releaseBranches": [
       "v9"
+    ],
+    "ciVersions": [
+      "12.13.0",
+      "12.x",
+      "14.15.0",
+      "14.x",
+      "16.0.0",
+      "16.x"
     ]
   }
 }