diff --git a/auth/package.json b/auth/package.json
index 3daf46cae3..8c6cbf54df 100644
--- a/auth/package.json
+++ b/auth/package.json
@@ -17,7 +17,7 @@
   },
   "dependencies": {
     "@google-cloud/storage": "^4.0.0",
-    "yargs": "^14.0.0"
+    "yargs": "^15.0.0"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
diff --git a/cloud-sql/postgres/knex/package.json b/cloud-sql/postgres/knex/package.json
index 27fe61b755..b71019c76a 100644
--- a/cloud-sql/postgres/knex/package.json
+++ b/cloud-sql/postgres/knex/package.json
@@ -28,7 +28,7 @@
     "pg": "^7.11.0",
     "pug": "^2.0.3",
     "winston": "^3.1.0",
-    "yargs": "^14.0.0"
+    "yargs": "^15.0.0"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "3.3.0",
diff --git a/endpoints/getting-started-grpc/package.json b/endpoints/getting-started-grpc/package.json
index 61190ca651..2f24d64e8b 100644
--- a/endpoints/getting-started-grpc/package.json
+++ b/endpoints/getting-started-grpc/package.json
@@ -20,7 +20,7 @@
     "google-auth-library": "^5.0.0",
     "grpc": "^1.18.0",
     "jsonwebtoken": "^8.2.0",
-    "yargs": "^14.0.0"
+    "yargs": "^15.0.0"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
diff --git a/functions/helloworld/package.json b/functions/helloworld/package.json
index cc474b7fb4..676e9f9059 100644
--- a/functions/helloworld/package.json
+++ b/functions/helloworld/package.json
@@ -38,7 +38,7 @@
     "requestretry": "^4.0.0",
     "sinon": "^7.0.0",
     "uuid": "^3.1.0",
-    "yargs": "^14.0.0"
+    "yargs": "^15.0.0"
   },
   "cloud-repo-tools": {
     "requiresKeyFile": true,
diff --git a/healthcare/datasets/package.json b/healthcare/datasets/package.json
index 047bbb703b..40e9ae9ad8 100644
--- a/healthcare/datasets/package.json
+++ b/healthcare/datasets/package.json
@@ -18,7 +18,7 @@
   "dependencies": {
     "googleapis": "^45.0.0",
     "uuid": "^3.3.2",
-    "yargs": "^14.0.0"
+    "yargs": "^15.0.0"
   },
   "cloud-repo-tools": {
     "requiresKeyFile": true,
diff --git a/healthcare/dicom/package.json b/healthcare/dicom/package.json
index fe1f44c5c1..564cf2cb7b 100644
--- a/healthcare/dicom/package.json
+++ b/healthcare/dicom/package.json
@@ -20,7 +20,7 @@
   "dependencies": {
     "googleapis": "^45.0.0",
     "uuid": "^3.3.2",
-    "yargs": "^14.0.0",
+    "yargs": "^15.0.0",
     "gtoken": "^4.0.0",
     "request": "^2.87.0",
     "request-promise": "^4.2.2"
diff --git a/healthcare/fhir/package.json b/healthcare/fhir/package.json
index b0d90a3bbf..ac8916dc92 100644
--- a/healthcare/fhir/package.json
+++ b/healthcare/fhir/package.json
@@ -20,7 +20,7 @@
   "dependencies": {
     "googleapis": "^45.0.0",
     "uuid": "^3.3.2",
-    "yargs": "^14.0.0",
+    "yargs": "^15.0.0",
     "gtoken": "^4.0.0",
     "request": "^2.87.0",
     "request-promise": "^4.2.2"
diff --git a/healthcare/hl7v2/package.json b/healthcare/hl7v2/package.json
index 511fc3c551..ced03fc3f8 100644
--- a/healthcare/hl7v2/package.json
+++ b/healthcare/hl7v2/package.json
@@ -19,7 +19,7 @@
   "dependencies": {
     "googleapis": "^45.0.0",
     "uuid": "^3.3.2",
-    "yargs": "^14.0.0"
+    "yargs": "^15.0.0"
   },
   "cloud-repo-tools": {
     "requiresKeyFile": true,
diff --git a/iot/beta-features/gateway/package.json b/iot/beta-features/gateway/package.json
index 69b49779f1..1d820d7a88 100644
--- a/iot/beta-features/gateway/package.json
+++ b/iot/beta-features/gateway/package.json
@@ -20,7 +20,7 @@
     "googleapis": "^45.0.0",
     "jsonwebtoken": "^8.3.0",
     "mqtt": "^3.0.0",
-    "yargs": "^14.0.0"
+    "yargs": "^15.0.0"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
diff --git a/iot/http_example/package.json b/iot/http_example/package.json
index b123f55644..d17abe6b41 100644
--- a/iot/http_example/package.json
+++ b/iot/http_example/package.json
@@ -20,7 +20,7 @@
     "jsonwebtoken": "^8.5.0",
     "request": "^2.88.0",
     "retry-request": "^4.0.0",
-    "yargs": "^14.0.0"
+    "yargs": "^15.0.0"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
diff --git a/iot/manager/package.json b/iot/manager/package.json
index e69c916470..f392b77d1a 100644
--- a/iot/manager/package.json
+++ b/iot/manager/package.json
@@ -20,7 +20,7 @@
     "@google-cloud/iot": "^1.3.1",
     "@google-cloud/pubsub": "^1.0.0",
     "googleapis": "^45.0.0",
-    "yargs": "^14.0.0"
+    "yargs": "^15.0.0"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
diff --git a/iot/mqtt_example/package.json b/iot/mqtt_example/package.json
index 44f338ad00..143df48696 100644
--- a/iot/mqtt_example/package.json
+++ b/iot/mqtt_example/package.json
@@ -20,7 +20,7 @@
     "@google-cloud/iot": "^1.0.0",
     "jsonwebtoken": "^8.5.0",
     "mqtt": "^3.0.0",
-    "yargs": "^14.0.0"
+    "yargs": "^15.0.0"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
diff --git a/jobs/v3/package.json b/jobs/v3/package.json
index 6113a36778..e3fa55b4e2 100644
--- a/jobs/v3/package.json
+++ b/jobs/v3/package.json
@@ -18,7 +18,7 @@
   "dependencies": {
     "googleapis": "^45.0.0",
     "uuid": "^3.3.2",
-    "yargs": "^14.0.0"
+    "yargs": "^15.0.0"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
diff --git a/storage-transfer/package.json b/storage-transfer/package.json
index a0e4f6d9e9..6f2fb1f445 100644
--- a/storage-transfer/package.json
+++ b/storage-transfer/package.json
@@ -19,7 +19,7 @@
   "dependencies": {
     "googleapis": "^45.0.0",
     "moment": "^2.24.0",
-    "yargs": "^14.0.0"
+    "yargs": "^15.0.0"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",