diff --git a/packages/google-cloud-secretmanager/.jsdoc.js b/packages/google-cloud-secretmanager/.jsdoc.js
index 633f7740082..ec7b139547d 100644
--- a/packages/google-cloud-secretmanager/.jsdoc.js
+++ b/packages/google-cloud-secretmanager/.jsdoc.js
@@ -40,7 +40,7 @@ module.exports = {
     includePattern: '\\.js$'
   },
   templates: {
-    copyright: 'Copyright 2019 Google, LLC.',
+    copyright: 'Copyright 2020 Google LLC',
     includeDate: false,
     sourceFiles: false,
     systemName: '@google-cloud/secret-manager',
diff --git a/packages/google-cloud-secretmanager/.prettierrc.js b/packages/google-cloud-secretmanager/.prettierrc.js
index 08cba3775be..d1b95106f4c 100644
--- a/packages/google-cloud-secretmanager/.prettierrc.js
+++ b/packages/google-cloud-secretmanager/.prettierrc.js
@@ -4,7 +4,7 @@
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
+//      https://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/packages/google-cloud-secretmanager/package.json b/packages/google-cloud-secretmanager/package.json
index ea1cfaa3c4a..52cc263e7e3 100644
--- a/packages/google-cloud-secretmanager/package.json
+++ b/packages/google-cloud-secretmanager/package.json
@@ -26,27 +26,23 @@
     "docs": "jsdoc -c .jsdoc.js",
     "predocs-test": "npm run docs",
     "docs-test": "linkinator docs",
-    "fix": "gts fix && eslint samples --fix",
-    "lint": "gts check && eslint samples",
+    "fix": "gts fix",
+    "lint": "gts fix",
     "prepare": "npm run compile-protos && npm run compile",
     "system-test": "c8 mocha build/system-test",
     "test": "c8 mocha build/test",
     "samples-test": "cd samples/ && npm link ../ && npm test && cd ../",
-    "prelint": "cd samples; npm link ../; npm i"
+    "prelint": "cd samples; npm link ../; npm install"
   },
   "dependencies": {
-    "google-gax": "^2.0.1"
+    "google-gax": "^2.1.0"
   },
   "devDependencies": {
     "@types/mocha": "^7.0.0",
     "@types/node": "^12.0.0",
     "@types/sinon": "^9.0.0",
     "c8": "^7.0.0",
-    "eslint": "^6.0.0",
-    "eslint-config-prettier": "^6.0.0",
-    "eslint-plugin-node": "^11.0.0",
-    "eslint-plugin-prettier": "^3.0.1",
-    "gts": "2.0.0",
+    "gts": "^2.0.0",
     "jsdoc": "^3.5.5",
     "jsdoc-fresh": "^1.0.1",
     "jsdoc-region-tag": "^1.0.2",
diff --git a/packages/google-cloud-secretmanager/protos/protos.js b/packages/google-cloud-secretmanager/protos/protos.js
index de06dfebb27..ab6de7a8b22 100644
--- a/packages/google-cloud-secretmanager/protos/protos.js
+++ b/packages/google-cloud-secretmanager/protos/protos.js
@@ -28,7 +28,7 @@
     var $Reader = $protobuf.Reader, $Writer = $protobuf.Writer, $util = $protobuf.util;
     
     // Exported root namespace
-    var $root = $protobuf.roots["default"] || ($protobuf.roots["default"] = {});
+    var $root = $protobuf.roots._google_cloud_secret_manager_3_0_0_protos || ($protobuf.roots._google_cloud_secret_manager_3_0_0_protos = {});
     
     $root.google = (function() {
     
diff --git a/packages/google-cloud-secretmanager/synth.metadata b/packages/google-cloud-secretmanager/synth.metadata
index 1ccd3927298..5b3b873c297 100644
--- a/packages/google-cloud-secretmanager/synth.metadata
+++ b/packages/google-cloud-secretmanager/synth.metadata
@@ -1,19 +1,19 @@
 {
-  "updateTime": "2020-04-02T11:53:11.069823Z",
+  "updateTime": "2020-04-11T01:32:49.702958Z",
   "sources": [
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "75047719f704d61f405cac6d7439637ab36c1232",
-        "internalRef": "304305096"
+        "sha": "1bd77e8ce6f953ac641af7966d0c52646afc16a8",
+        "internalRef": "305974465"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "99820243d348191bc9c634f2b48ddf65096285ed"
+        "sha": "6f32150677c9784f3c3a7e1949472bd29c9d72c5"
       }
     }
   ],
diff --git a/packages/google-cloud-secretmanager/synth.py b/packages/google-cloud-secretmanager/synth.py
index 5212f5eda0a..e9aa73ad5a3 100644
--- a/packages/google-cloud-secretmanager/synth.py
+++ b/packages/google-cloud-secretmanager/synth.py
@@ -55,4 +55,5 @@
 
 # Node.js specific cleanup
 subprocess.run(['npm', 'install'])
-subprocess.run(['npm', 'run', 'fix'])
+subprocess.run(['npm', 'run', 'lint'])
+subprocess.run(['npx', 'compileProtos', 'src'])
diff --git a/packages/google-cloud-secretmanager/test/gapic_secret_manager_service_v1.ts b/packages/google-cloud-secretmanager/test/gapic_secret_manager_service_v1.ts
index 931d8849dcb..c0e2f2fb37a 100644
--- a/packages/google-cloud-secretmanager/test/gapic_secret_manager_service_v1.ts
+++ b/packages/google-cloud-secretmanager/test/gapic_secret_manager_service_v1.ts
@@ -315,7 +315,7 @@ describe('v1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.createSecret(request);
       }, expectedError);
       assert(
@@ -435,7 +435,7 @@ describe('v1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.addSecretVersion(request);
       }, expectedError);
       assert(
@@ -552,7 +552,7 @@ describe('v1.SecretManagerServiceClient', () => {
       };
       const expectedError = new Error('expected');
       client.innerApiCalls.getSecret = stubSimpleCall(undefined, expectedError);
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.getSecret(request);
       }, expectedError);
       assert(
@@ -675,7 +675,7 @@ describe('v1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.updateSecret(request);
       }, expectedError);
       assert(
@@ -795,7 +795,7 @@ describe('v1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.deleteSecret(request);
       }, expectedError);
       assert(
@@ -915,7 +915,7 @@ describe('v1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.getSecretVersion(request);
       }, expectedError);
       assert(
@@ -1037,7 +1037,7 @@ describe('v1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.accessSecretVersion(request);
       }, expectedError);
       assert(
@@ -1159,7 +1159,7 @@ describe('v1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.disableSecretVersion(request);
       }, expectedError);
       assert(
@@ -1281,7 +1281,7 @@ describe('v1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.enableSecretVersion(request);
       }, expectedError);
       assert(
@@ -1403,7 +1403,7 @@ describe('v1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.destroySecretVersion(request);
       }, expectedError);
       assert(
@@ -1523,7 +1523,7 @@ describe('v1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.setIamPolicy(request);
       }, expectedError);
       assert(
@@ -1643,7 +1643,7 @@ describe('v1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.getIamPolicy(request);
       }, expectedError);
       assert(
@@ -1765,7 +1765,7 @@ describe('v1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.testIamPermissions(request);
       }, expectedError);
       assert(
@@ -1901,7 +1901,7 @@ describe('v1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.listSecrets(request);
       }, expectedError);
       assert(
@@ -2003,7 +2003,7 @@ describe('v1.SecretManagerServiceClient', () => {
           reject(err);
         });
       });
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await promise;
       }, expectedError);
       assert(
@@ -2085,7 +2085,7 @@ describe('v1.SecretManagerServiceClient', () => {
         expectedError
       );
       const iterable = client.listSecretsAsync(request);
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         const responses: protos.google.cloud.secretmanager.v1.ISecret[] = [];
         for await (const resource of iterable) {
           responses.push(resource!);
@@ -2235,7 +2235,7 @@ describe('v1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.listSecretVersions(request);
       }, expectedError);
       assert(
@@ -2338,7 +2338,7 @@ describe('v1.SecretManagerServiceClient', () => {
           reject(err);
         });
       });
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await promise;
       }, expectedError);
       assert(
@@ -2421,7 +2421,7 @@ describe('v1.SecretManagerServiceClient', () => {
         expectedError
       );
       const iterable = client.listSecretVersionsAsync(request);
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         const responses: protos.google.cloud.secretmanager.v1.ISecretVersion[] = [];
         for await (const resource of iterable) {
           responses.push(resource!);
diff --git a/packages/google-cloud-secretmanager/test/gapic_secret_manager_service_v1beta1.ts b/packages/google-cloud-secretmanager/test/gapic_secret_manager_service_v1beta1.ts
index 57a225e20ed..53314ed598a 100644
--- a/packages/google-cloud-secretmanager/test/gapic_secret_manager_service_v1beta1.ts
+++ b/packages/google-cloud-secretmanager/test/gapic_secret_manager_service_v1beta1.ts
@@ -316,7 +316,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.createSecret(request);
       }, expectedError);
       assert(
@@ -436,7 +436,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.addSecretVersion(request);
       }, expectedError);
       assert(
@@ -553,7 +553,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
       };
       const expectedError = new Error('expected');
       client.innerApiCalls.getSecret = stubSimpleCall(undefined, expectedError);
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.getSecret(request);
       }, expectedError);
       assert(
@@ -676,7 +676,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.updateSecret(request);
       }, expectedError);
       assert(
@@ -796,7 +796,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.deleteSecret(request);
       }, expectedError);
       assert(
@@ -916,7 +916,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.getSecretVersion(request);
       }, expectedError);
       assert(
@@ -1038,7 +1038,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.accessSecretVersion(request);
       }, expectedError);
       assert(
@@ -1160,7 +1160,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.disableSecretVersion(request);
       }, expectedError);
       assert(
@@ -1282,7 +1282,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.enableSecretVersion(request);
       }, expectedError);
       assert(
@@ -1404,7 +1404,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.destroySecretVersion(request);
       }, expectedError);
       assert(
@@ -1524,7 +1524,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.setIamPolicy(request);
       }, expectedError);
       assert(
@@ -1644,7 +1644,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.getIamPolicy(request);
       }, expectedError);
       assert(
@@ -1766,7 +1766,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.testIamPermissions(request);
       }, expectedError);
       assert(
@@ -1890,7 +1890,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.listSecrets(request);
       }, expectedError);
       assert(
@@ -1986,7 +1986,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
           reject(err);
         });
       });
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await promise;
       }, expectedError);
       assert(
@@ -2062,7 +2062,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         expectedError
       );
       const iterable = client.listSecretsAsync(request);
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         const responses: protos.google.cloud.secrets.v1beta1.ISecret[] = [];
         for await (const resource of iterable) {
           responses.push(resource!);
@@ -2210,7 +2210,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         undefined,
         expectedError
       );
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await client.listSecretVersions(request);
       }, expectedError);
       assert(
@@ -2313,7 +2313,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
           reject(err);
         });
       });
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         await promise;
       }, expectedError);
       assert(
@@ -2396,7 +2396,7 @@ describe('v1beta1.SecretManagerServiceClient', () => {
         expectedError
       );
       const iterable = client.listSecretVersionsAsync(request);
-      assert.rejects(async () => {
+      await assert.rejects(async () => {
         const responses: protos.google.cloud.secrets.v1beta1.ISecretVersion[] = [];
         for await (const resource of iterable) {
           responses.push(resource!);