diff --git a/eventarc/audit-storage/ci-setup.json b/eventarc/audit-storage/ci-setup.json
index 54c01b448e8..b308aba4773 100644
--- a/eventarc/audit-storage/ci-setup.json
+++ b/eventarc/audit-storage/ci-setup.json
@@ -1,6 +1,6 @@
 {
   "env" : {
     "SERVICE_NAME" : "eventarc-audit-storage",
-    "CONTAINER_IMAGE" : "gcr.io/${PROJECT_ID}/run-${SERVICE_NAME}-${RUN_ID}"
+    "CONTAINER_IMAGE" : "gcr.io/long-door-651/run-${SERVICE_NAME}-${RUN_ID}"
   }
 }
diff --git a/eventarc/audit-storage/package.json b/eventarc/audit-storage/package.json
index 74a918235e9..c119aca16e2 100644
--- a/eventarc/audit-storage/package.json
+++ b/eventarc/audit-storage/package.json
@@ -11,7 +11,7 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">= 12.0.0"
+    "node": ">=20.0.0"
   },
   "scripts": {
     "start": "node index.js",
@@ -21,10 +21,10 @@
     "test": "npm -- run all-test"
   },
   "dependencies": {
-    "express": "^4.16.4"
+    "express": "^5.0.0"
   },
   "devDependencies": {
-    "c8": "^10.0.0",
+    "c8": "^12.0.0",
     "got": "^11.5.0",
     "mocha": "^10.0.0",
     "sinon": "^18.0.0",
diff --git a/eventarc/generic/package.json b/eventarc/generic/package.json
index 7bf04813986..4ebfb4ebe62 100644
--- a/eventarc/generic/package.json
+++ b/eventarc/generic/package.json
@@ -18,10 +18,10 @@
     "system-test": "test/runner.sh mocha test/system.test.js --timeout=10000"
   },
   "dependencies": {
-    "express": "^4.16.4"
+    "express": "^5.0.0"
   },
   "devDependencies": {
-    "c8": "^10.0.0",
+    "c8": "^12.0.0",
     "got": "^11.5.0",
     "mocha": "^10.0.0",
     "sinon": "^18.0.0",
diff --git a/eventarc/pubsub/package.json b/eventarc/pubsub/package.json
index 7c2a765c3cd..5e21a066398 100644
--- a/eventarc/pubsub/package.json
+++ b/eventarc/pubsub/package.json
@@ -11,7 +11,7 @@
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
   "engines": {
-    "node": ">= 12.0.0"
+    "node": ">=20.0.0"
   },
   "scripts": {
     "start": "node index.js",
@@ -22,10 +22,10 @@
   },
   "dependencies": {
     "@google/events": "^5.0.0",
-    "express": "^4.16.4"
+    "express": "^5.0.0"
   },
   "devDependencies": {
-    "c8": "^10.0.0",
+    "c8": "^12.0.0",
     "got": "^11.5.0",
     "mocha": "^10.0.0",
     "supertest": "^7.0.0"