diff --git a/dialogflow-webhook/package-lock.json b/dialogflow-webhook/package-lock.json
index 39edaf1..27a2717 100644
--- a/dialogflow-webhook/package-lock.json
+++ b/dialogflow-webhook/package-lock.json
@@ -153,6 +153,14 @@
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+      "resolved": "https://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz",
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+          "resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-3.1.2.tgz",
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+          "resolved": "http://registry.npmjs.org/gtoken/-/gtoken-2.3.3.tgz",
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+            "google-p12-pem": "^1.0.0",
+            "jws": "^3.1.5",
+            "mime": "^2.2.0",
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@@ -1712,6 +1900,15 @@
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       "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
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+    "json-bigint": {
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@@ -2378,9 +2588,9 @@
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+    "semver": {
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+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
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diff --git a/dialogflow-webhook/package.json b/dialogflow-webhook/package.json
index 0d14390..13239a6 100644
--- a/dialogflow-webhook/package.json
+++ b/dialogflow-webhook/package.json
@@ -15,6 +15,6 @@
     "dialogflow": "^0.6.0",
     "dialogflow-fulfillment": "^0.5.0",
     "express": "^4.16.4",
-    "googleapis": "^27.0.0"
+    "googleapis": "^39.1.0"
   }
 }