diff --git a/.circleci/config.yml b/.circleci/config.yml
index b45fb003..b43bf30d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -159,6 +159,26 @@ workflows:
             branches:
               ignore:
                 - master
+      - test-windows:
+          name: Windows Tests for Node v12 support
+          context: nodejs-install
+          node_version: "12.22.12"
+          requires:
+            - Lint
+          filters:
+            branches:
+              ignore:
+                - master
+      - test-unix:
+          name: Unix Tests for Node v12 support
+          context: nodejs-install
+          node_version: "12.22.12"
+          requires:
+            - Lint
+          filters:
+            branches:
+              ignore:
+                - master
       - release:
           name: Release
           context: nodejs-app-release
diff --git a/test/fixtures/bare-npm/package-lock.json b/test/fixtures/bare-npm/package-lock.json
new file mode 100644
index 00000000..cd96cdfc
--- /dev/null
+++ b/test/fixtures/bare-npm/package-lock.json
@@ -0,0 +1,12 @@
+{
+  "name": "bare-npm",
+  "version": "1.0.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "bare-npm",
+      "version": "1.0.0"
+    }
+  }
+}
diff --git a/test/fixtures/bare-npm/package.json b/test/fixtures/bare-npm/package.json
new file mode 100644
index 00000000..f2fb8633
--- /dev/null
+++ b/test/fixtures/bare-npm/package.json
@@ -0,0 +1,4 @@
+{
+  "name": "bare-npm",
+  "version": "1.0.0"
+}
diff --git a/test/jest/__snapshots__/get-lockfile-version.test.ts.snap b/test/jest/__snapshots__/get-lockfile-version.test.ts.snap
new file mode 100644
index 00000000..aae10e0c
--- /dev/null
+++ b/test/jest/__snapshots__/get-lockfile-version.test.ts.snap
@@ -0,0 +1,3 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`getLockfileVersionFromFile npm 1`] = `"NPM_LOCK_V2"`;
diff --git a/test/jest/get-lockfile-version.test.ts b/test/jest/get-lockfile-version.test.ts
new file mode 100644
index 00000000..51f27538
--- /dev/null
+++ b/test/jest/get-lockfile-version.test.ts
@@ -0,0 +1,10 @@
+import { getLockfileVersionFromFile } from '../../lib/utils';
+
+describe('getLockfileVersionFromFile', () => {
+  it('npm', () => {
+    const result = getLockfileVersionFromFile(
+      `${__dirname}/../fixtures/bare-npm/package-lock.json`,
+    );
+    expect(result).toMatchSnapshot();
+  });
+});