diff --git a/functions/billing/package.json b/functions/billing/package.json
index 13422b2abb..dfa673c139 100644
--- a/functions/billing/package.json
+++ b/functions/billing/package.json
@@ -12,7 +12,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "google-auth-library": "^2.0.0",
-    "googleapis": "^33.0.0",
+    "googleapis": "^35.0.0",
     "slack": "^11.0.1"
   },
   "devDependencies": {
diff --git a/functions/slack/package.json b/functions/slack/package.json
index 1163635ec3..541e657def 100644
--- a/functions/slack/package.json
+++ b/functions/slack/package.json
@@ -17,7 +17,7 @@
     "test": "ava -T 20s --verbose test/*.test.js"
   },
   "dependencies": {
-    "googleapis": "22.2.0"
+    "googleapis": "35.0.0"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.0.0",
diff --git a/healthcare/datasets/package.json b/healthcare/datasets/package.json
index e72d1d8353..8936a0099a 100644
--- a/healthcare/datasets/package.json
+++ b/healthcare/datasets/package.json
@@ -16,7 +16,7 @@
     "ava": "^0.25.0"
   },
   "dependencies": {
-    "googleapis": "^32.0.0",
+    "googleapis": "^35.0.0",
     "uuid": "^3.3.2",
     "yargs": "^12.0.1"
   },
diff --git a/healthcare/dicom/package.json b/healthcare/dicom/package.json
index 605240d7a6..5486c6eae8 100644
--- a/healthcare/dicom/package.json
+++ b/healthcare/dicom/package.json
@@ -16,7 +16,7 @@
     "ava": "^0.25.0"
   },
   "dependencies": {
-    "googleapis": "^32.0.0",
+    "googleapis": "^35.0.0",
     "uuid": "^3.3.2",
     "yargs": "^12.0.1",
     "gtoken": "^2.3.0",
diff --git a/healthcare/fhir/package.json b/healthcare/fhir/package.json
index 605240d7a6..5486c6eae8 100644
--- a/healthcare/fhir/package.json
+++ b/healthcare/fhir/package.json
@@ -16,7 +16,7 @@
     "ava": "^0.25.0"
   },
   "dependencies": {
-    "googleapis": "^32.0.0",
+    "googleapis": "^35.0.0",
     "uuid": "^3.3.2",
     "yargs": "^12.0.1",
     "gtoken": "^2.3.0",
diff --git a/healthcare/hl7v2/package.json b/healthcare/hl7v2/package.json
index c82df83156..f11ed690dd 100644
--- a/healthcare/hl7v2/package.json
+++ b/healthcare/hl7v2/package.json
@@ -16,7 +16,7 @@
     "ava": "^0.25.0"
   },
   "dependencies": {
-    "googleapis": "^32.0.0",
+    "googleapis": "^35.0.0",
     "uuid": "^3.3.2",
     "yargs": "^12.0.1"
   },
diff --git a/iot/http_example/package.json b/iot/http_example/package.json
index 714458c324..394a637af0 100644
--- a/iot/http_example/package.json
+++ b/iot/http_example/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "manager": "../manager",
-    "googleapis": "^32.0.0",
+    "googleapis": "^35.0.0",
     "@google-cloud/pubsub": "0.21.1",
     "@google-cloud/nodejs-repo-tools": "^3.0.0",
     "ava": "0.25.0",
diff --git a/iot/manager/package.json b/iot/manager/package.json
index 60033f00bc..ad4ac47f35 100644
--- a/iot/manager/package.json
+++ b/iot/manager/package.json
@@ -17,7 +17,7 @@
   },
   "dependencies": {
     "@google-cloud/pubsub": "0.21.1",
-    "googleapis": "^32.0.0",
+    "googleapis": "^35.0.0",
     "yargs": "8.0.2"
   },
   "devDependencies": {
diff --git a/iot/mqtt_example/package.json b/iot/mqtt_example/package.json
index 9f08ef4c15..4f348d8e2c 100644
--- a/iot/mqtt_example/package.json
+++ b/iot/mqtt_example/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "manager": "../manager",
-    "googleapis": "^32.0.0",
+    "googleapis": "^35.0.0",
     "@google-cloud/pubsub": "0.21.1",
     "@google-cloud/nodejs-repo-tools": "^3.0.0",
     "ava": "0.25.0",
diff --git a/storage-transfer/package.json b/storage-transfer/package.json
index 7306043dfc..5b057a3174 100644
--- a/storage-transfer/package.json
+++ b/storage-transfer/package.json
@@ -18,7 +18,7 @@
   },
   "dependencies": {
     "@google-cloud/storage": "1.7.0",
-    "googleapis": "27.0.0",
+    "googleapis": "35.0.0",
     "moment": "2.22.2",
     "safe-buffer": "5.1.2",
     "yargs": "11.1.0"