diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index 1994a74..84d5a23 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -16,12 +16,12 @@ jobs:
     if: "!contains(github.event.head_commit.message, '[ci skip]')"
     strategy:
       matrix:
-        node-version: [14.18, 16.13, 18]
+        node-version: [16.13, 18, 24]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v3
+      uses: actions/setup-node@v4
       with:
         node-version: ${{ matrix.node-version }}
     - name: Docker login
@@ -33,7 +33,7 @@ jobs:
     - run: npm test
     - run: npm run generate-coverage
     - name: Upload coverage reports to Codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         file: ./coverage.lcov
         flags: unittests
@@ -44,7 +44,7 @@ jobs:
     runs-on: ubuntu-latest
     if: "!contains(github.event.head_commit.message, '[ci skip]')"
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: npx @adobe/sizewatcher
       env:
         GITHUB_TOKEN: ${{ secrets.ADOBE_BOT_GITHUB_TOKEN }}
@@ -54,13 +54,13 @@ jobs:
     needs: [build]
     if: ${{  !contains(github.event.head_commit.message, '[ci skip]') && github.ref == 'refs/heads/master' }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           persist-credentials: false
-      - name: Use Node.js 16
-        uses: actions/setup-node@v3
+      - name: Use Node.js 18
+        uses: actions/setup-node@v4
         with:
-          node-version: '16.13'
+          node-version: '18'
       - run: npm install
       - run: npm run semantic-release
         env:
diff --git a/src/lib/actionrunner.js b/src/lib/actionrunner.js
index 62b97e2..af14419 100644
--- a/src/lib/actionrunner.js
+++ b/src/lib/actionrunner.js
@@ -36,8 +36,9 @@ const OPENWHISK_DEFAULTS = {
         // "nodejs:8"   : "openwhisk/action-nodejs-v8:latest",
         // "nodejs:10"  : "adobeapiplatform/adobe-action-nodejs-v10:3.0.27", // see: https://hub.docker.com/r/adobeapiplatform/adobe-action-nodejs-v10/tags
         // "nodejs:12"  : removed - Node.js 12 is end-of-life and incompatible with modern dependencies
-        "nodejs:14"  : "adobeapiplatform/adobe-action-nodejs-v14:3.0.43", // see: https://hub.docker.com/r/adobeapiplatform/adobe-action-nodejs-v14/tags
+        // "nodejs:14"  : removed - Node.js 14 is end-of-life and incompatible with modern dependencies
         "nodejs:16"  : "adobeapiplatform/adobe-action-nodejs-v16:3.0.43", // see: https://hub.docker.com/r/adobeapiplatform/adobe-action-nodejs-v16/tags
+        "nodejs:24"  : "adobeapiplatform/adobe-action-nodejs-v24:3.0.44", // see: https://hub.docker.com/r/adobeapiplatform/adobe-action-nodejs-v24/tags
         // "python"     : "openwhisk/python2action:latest",
         // "python:2"   : "openwhisk/python2action:latest",
         // "python:3"   : "openwhisk/python3action:latest",
diff --git a/test-projects/node14/.gitignore b/test-projects/node24/.gitignore
similarity index 100%
rename from test-projects/node14/.gitignore
rename to test-projects/node24/.gitignore
diff --git a/test-projects/node14/manifest.yml b/test-projects/node24/manifest.yml
similarity index 84%
rename from test-projects/node14/manifest.yml
rename to test-projects/node24/manifest.yml
index 5e6bef2..308e049 100644
--- a/test-projects/node14/manifest.yml
+++ b/test-projects/node24/manifest.yml
@@ -3,7 +3,7 @@ packages:
     actions:
       worker:
         function: 'worker.js'
-        runtime: 'nodejs:14'
+        runtime: 'nodejs:24'
         web: true
         annotations:
           require-adobe-auth: true
diff --git a/test-projects/node14/package.json b/test-projects/node24/package.json
similarity index 68%
rename from test-projects/node14/package.json
rename to test-projects/node24/package.json
index 027ba63..030cadd 100644
--- a/test-projects/node14/package.json
+++ b/test-projects/node24/package.json
@@ -2,7 +2,7 @@
     "name": "worker",
     "version": "1.0.0",
     "dependencies": {
-        "@adobe/asset-compute-sdk": "^2.10.6"
+        "@adobe/asset-compute-sdk": "^4.6.2"
     },
     "private": true
 }
diff --git a/test-projects/node14/test/asset-compute/worker/simple/file.jpg b/test-projects/node24/test/asset-compute/worker/simple/file.jpg
similarity index 100%
rename from test-projects/node14/test/asset-compute/worker/simple/file.jpg
rename to test-projects/node24/test/asset-compute/worker/simple/file.jpg
diff --git a/test-projects/node14/test/asset-compute/worker/simple/rendition.jpg b/test-projects/node24/test/asset-compute/worker/simple/rendition.jpg
similarity index 100%
rename from test-projects/node14/test/asset-compute/worker/simple/rendition.jpg
rename to test-projects/node24/test/asset-compute/worker/simple/rendition.jpg
diff --git a/test-projects/node14/worker.js b/test-projects/node24/worker.js
similarity index 100%
rename from test-projects/node14/worker.js
rename to test-projects/node24/worker.js
diff --git a/test/commands/devtool.test.js b/test/commands/devtool.test.js
index 59c405c..292b69d 100644
--- a/test/commands/devtool.test.js
+++ b/test/commands/devtool.test.js
@@ -108,7 +108,7 @@ describe("devtool command", function() {
             await fetch(url);
             assert.fail('Should have failed');
         } catch (error) {
-            assert.ok(error.message.includes('ECONNREFUSED')); // should fail because server is no longer running
+            assert.ok(error.message.includes('ECONNREFUSED') || error.code === 'ECONNREFUSED');
         }
           
     });
diff --git a/test/commands/test-worker.test.js b/test/commands/test-worker.test.js
index f17bc2b..f3e47eb 100644
--- a/test/commands/test-worker.test.js
+++ b/test/commands/test-worker.test.js
@@ -237,8 +237,10 @@ describe("test-worker command", function() {
             });
 
         // nodejs:12 test removed - Node.js 12 is end-of-life and incompatible with modern dependencies
-        testCommand("test-projects/node14", "asset-compute:test-worker")
-            .it("runs tests in a project using kind nodejs:14", function(ctx) {
+        // nodejs:14 test removed - Node.js 14 is end-of-life and incompatible with modern dependencies
+
+        testCommand("test-projects/node24", "asset-compute:test-worker")
+            .it("runs tests in a project using kind nodejs:24", function(ctx) {
                 assertExitCode(undefined);
                 assert(ctx.stdout.includes(" - simple"));
                 assert(ctx.stdout.includes("✔  Succeeded."));
diff --git a/test/commands/testutil.js b/test/commands/testutil.js
index 1e81efb..f2fda84 100644
--- a/test/commands/testutil.js
+++ b/test/commands/testutil.js
@@ -72,7 +72,9 @@ function testCommand(dir, command, args=[]) {
         })
         .finally(ctx => {
             // reset any exit code set by failing tests
-            delete process.exitCode;
+            // Note: `delete process.exitCode` does not work in Node.js 24+,
+            // must assign undefined instead
+            process.exitCode = undefined;
 
             delete process.env.AIO_ASSET_COMPUTE_LOG_DELAY;
 
@@ -144,4 +146,4 @@ module.exports = {
     assertExitCode,
     assertOccurrences,
     assertMissingOrEmptyDirectory
-};
\ No newline at end of file
+};
diff --git a/test/lib/actionrunner.test.js b/test/lib/actionrunner.test.js
index 8f1f897..b4f1e69 100644
--- a/test/lib/actionrunner.test.js
+++ b/test/lib/actionrunner.test.js
@@ -39,7 +39,7 @@ describe("actionrunner tests", function() {
                 }
             }
         });
-        const containerHost = '0.0.0.0:2435\n::::2345';
+        const containerHost = '0.0.0.0:2435';
         nock(`http://${containerHost}`).post("/init").reply(400);
 
         // mock docker to avoid errors with trying to get logs
@@ -48,8 +48,35 @@ describe("actionrunner tests", function() {
         actionRunner.containerHost = containerHost;
         try {
             await actionRunner._initAction();
+            assert.fail('should have thrown');
         } catch (error) {
-            assert.strictEqual(error.message, 'Could not init action on container (POST http://0.0.0.0:2435\n::::2345/init: responded with error: 400');
+            assert.ok(error.message.includes('Could not init action on container'));
+            assert.ok(error.message.includes('/init'));
+            assert.ok(error.message.includes('400'));
+        }
+    });
+    it("failure during action initalization with nodejs:24 kind, body is empty", async function() {
+        const actionRunner = new OpenwhiskActionRunner({
+            action: {
+                exec: {
+                    kind: 'nodejs:24',
+                    binary: true,
+                    code: '2435'
+                }
+            }
+        });
+        const containerHost = '0.0.0.0:2435';
+        nock(`http://${containerHost}`).post("/init").reply(400);
+
+        actionRunner._docker = () => {};
+        actionRunner.containerHost = containerHost;
+        try {
+            await actionRunner._initAction();
+            assert.fail('should have thrown');
+        } catch (error) {
+            assert.ok(error.message.includes('Could not init action on container'));
+            assert.ok(error.message.includes('/init'));
+            assert.ok(error.message.includes('400'));
         }
     });