diff --git a/.kokoro/functions/speech-to-speech.cfg b/.kokoro/functions/speech-to-speech.cfg
index fc5a1498c6..313b42ffba 100644
--- a/.kokoro/functions/speech-to-speech.cfg
+++ b/.kokoro/functions/speech-to-speech.cfg
@@ -6,6 +6,12 @@ env_vars: {
     value: "functions/speech-to-speech/functions/"
 }
 
+# Configure the docker image for kokoro-trampoline.
+env_vars: {
+    key: "TRAMPOLINE_IMAGE"
+    value: "gcr.io/cloud-devrel-kokoro-resources/node:8-user"
+}
+
 # Tell the trampoline which build file to use.
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
diff --git a/functions/speech-to-speech/functions/package.json b/functions/speech-to-speech/functions/package.json
index aee358cf1a..0ea4acc650 100644
--- a/functions/speech-to-speech/functions/package.json
+++ b/functions/speech-to-speech/functions/package.json
@@ -33,7 +33,7 @@
     "logs": "firebase functions:log"
   },
   "dependencies": {
-    "@google-cloud/speech": "^2.1.0",
+    "@google-cloud/speech": "^3.0.0",
     "@google-cloud/storage": "^3.0.0",
     "@google-cloud/text-to-speech": "^0.5.0",
     "@google-cloud/translate": "^3.0.0",