diff --git a/functions/slack/package.json b/functions/slack/package.json
index ba2cd6f43c..99263b0908 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": "49.0.0"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "2.1.0",