diff --git a/.github/workflows/secrets-sdk-publish.yml b/.github/workflows/secrets-sdk-publish.yml
index 8877dc5863..b157db3156 100644
--- a/.github/workflows/secrets-sdk-publish.yml
+++ b/.github/workflows/secrets-sdk-publish.yml
@@ -15,7 +15,7 @@ jobs:
     - name: Setup node
       uses: actions/setup-node@v3
       with:
-        node-version: 16
+        node-version: 18
         check-latest: true
         cache: npm
     - name: Install dependencies
diff --git a/.github/workflows/secrets-sdk.yml b/.github/workflows/secrets-sdk.yml
index 4cef21b3bc..097ab981a4 100644
--- a/.github/workflows/secrets-sdk.yml
+++ b/.github/workflows/secrets-sdk.yml
@@ -90,7 +90,7 @@ jobs:
           - host: windows-latest
             target: aarch64-pc-windows-msvc
             build: npm run build -- --target aarch64-pc-windows-msvc
-    name: stable - ${{ matrix.settings.target }} - node@16
+    name: stable - ${{ matrix.settings.target }} - node@18
     runs-on: ${{ matrix.settings.host }}
     steps:
       - uses: actions/checkout@v3
@@ -224,8 +224,8 @@ jobs:
             target: armv7-unknown-linux-gnueabihf
             platform: linux/arm/v7
         node:
-          - "16"
           - "18"
+          - "20"
     runs-on: ${{ matrix.settings.host }}
     steps:
       - uses: actions/checkout@v3
diff --git a/.github/workflows/zowe-cli.yml b/.github/workflows/zowe-cli.yml
index 428bb0a42c..b235c8fdc5 100644
--- a/.github/workflows/zowe-cli.yml
+++ b/.github/workflows/zowe-cli.yml
@@ -30,7 +30,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [16.x, 18.x]
+        node-version: [18.x, 20.x]
         os: [windows-latest, ubuntu-latest, macos-latest]
 
     env:
@@ -182,11 +182,10 @@ jobs:
         persist-credentials: false
         ref: ${{ github.ref }}
 
-    # Use Node 16 until npm@9 bundled with Node 18 becomes more stable
-    - name: Use Node.js 16
+    - name: Use Node.js 18
       uses: actions/setup-node@v3
       with:
-        node-version: '16'
+        node-version: '18'
 
     - name: Install Dependencies
       run: npm ci
diff --git a/.gitignore b/.gitignore
index 7620b9b638..a5c9d970ab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -71,7 +71,7 @@ typings/
 /config/
 **/docs/typedoc/
 __tests__/__results__/
-packages/zosunix/__tests__/__results__/
+packages/**/__tests__/__results__/
 /__tests__/tmpproj/
 /__tests__/src/locales
 /.nyc_output
diff --git a/packages/core/__tests__/utils/__unit__/CoreUtils.unit.test.ts b/packages/core/__tests__/utils/__unit__/CoreUtils.unit.test.ts
index 12e1458af5..e238ee2df1 100644
--- a/packages/core/__tests__/utils/__unit__/CoreUtils.unit.test.ts
+++ b/packages/core/__tests__/utils/__unit__/CoreUtils.unit.test.ts
@@ -306,7 +306,7 @@ describe("CoreUtils", () => {
         it("should sleep the default amount", async () => {
             const defaultSleepTime = 1000;
 
-            jest.useFakeTimers();
+            jest.useFakeTimers({legacyFakeTimers: true});
             jest.spyOn(global, "setTimeout");
 
             const waitForSleep = CoreUtils.sleep();
@@ -324,7 +324,7 @@ describe("CoreUtils", () => {
         it("should sleep for the specified amount", async () => {
             const specifiedTime = 5000;
 
-            jest.useFakeTimers();
+            jest.useFakeTimers({legacyFakeTimers: true});
             jest.spyOn(global, "setTimeout");
 
             const waitForSleep = CoreUtils.sleep(specifiedTime);