diff --git a/language/slackbot/demo_bot.js b/language/slackbot/demo_bot.js
index 16486f0f9b..853c96da8d 100755
--- a/language/slackbot/demo_bot.js
+++ b/language/slackbot/demo_bot.js
@@ -42,13 +42,19 @@ See the README.md in this directory for more information about setup and usage.
 
 'use strict';
 
-const Botkit = require('botkit');
+const Slackbot = require('botkit').slackbot;
 const fs = require('fs');
-const Language = require('@google-cloud/language');
+const language = require('@google-cloud/language');
 const path = require('path');
 const sqlite3 = require('sqlite3').verbose();
 
-const controller = Botkit.slackbot({debug: false});
+if (!process.env.SLACK_TOKEN_PATH) {
+  throw new Error('Please set the SLACK_TOKEN_PATH environment variable!');
+}
+
+var token = fs.readFileSync(process.env.SLACK_TOKEN_PATH, { encoding: 'utf8' });
+token = token.replace(/\s/g, '');
+const controller = new Slackbot({clientSigningSecret: token});
 
 // create our database if it does not already exist.
 const db = new sqlite3.cached.Database(path.join(__dirname, './slackDB.db'));
@@ -79,62 +85,55 @@ const TABLE_SQL = `CREATE TABLE if not exists entities (
   ts integer
 );`;
 
-function startController() {
-  if (!process.env.SLACK_TOKEN_PATH) {
-    throw new Error('Please set the SLACK_TOKEN_PATH environment variable!');
-  }
-
-  let token = fs.readFileSync(process.env.SLACK_TOKEN_PATH, {encoding: 'utf8'});
-  token = token.replace(/\s/g, '');
-
+function startController () {
   // Create the table that will store entity information if it does not already
   // exist.
   db.run(TABLE_SQL);
 
-  controller.spawn({token: token}).startRTM(err => {
-    if (err) {
-      console.error('Failed to start controller!');
-      console.error(err);
-      throw err;
-    }
-  });
+  controller
+    .spawn({ token: token })
+    .startRTM((err) => {
+      if (err) {
+        console.error('Failed to start controller!');
+        console.error(err);
+        process.exit(1);
+      }
+    });
 
-  return (
-    controller
-      // If the bot gets a DM or mention with 'hello' or 'hi', it will reply.  You
-      // can use this to sanity-check your app without needing to use the NL API.
-      .hears(
-        ['hello', 'hi'],
-        ['direct_message', 'direct_mention', 'mention'],
-        handleSimpleReply
-      )
-      // If the bot gets a DM or mention including "top entities", it will reply with
-      // a list of the top N most frequent entities used in this channel, as derived
-      // by the NL API.
-      .hears(
-        ['top entities'],
-        ['direct_message', 'direct_mention', 'mention'],
-        handleEntitiesReply
-      )
-      // For any posted message, the bot will send the text to the NL API for
-      // analysis.
-      .on('ambient', handleAmbientMessage)
-      .on('rtm_close', startBot)
-  );
+  return controller
+    // If the bot gets a DM or mention with 'hello' or 'hi', it will reply.  You
+    // can use this to sanity-check your app without needing to use the NL API.
+    .hears(
+      ['hello', 'hi'],
+      ['direct_message', 'direct_mention', 'mention'],
+      handleSimpleReply
+    )
+    // If the bot gets a DM or mention including "top entities", it will reply with
+    // a list of the top N most frequent entities used in this channel, as derived
+    // by the NL API.
+    .hears(
+      ['top entities'],
+      ['direct_message', 'direct_mention', 'mention'],
+      handleEntitiesReply
+    )
+    // For any posted message, the bot will send the text to the NL API for
+    // analysis.
+    .on('ambient', handleAmbientMessage)
+    .on('rtm_close', startBot);
 }
 
-function startBot(bot) {
+function startBot (bot, cerr) {
   console.error('RTM closed');
-  let token = fs.readFileSync(process.env.SLACK_TOKEN_PATH, {encoding: 'utf8'});
-  token = token.replace(/\s/g, '');
 
-  bot.spawn({token: token}).startRTM(err => {
-    if (err) {
-      console.error('Failed to start controller!');
-      console.error(err);
-      throw err;
-    }
-  });
+  bot
+    .spawn({ token: token })
+    .startRTM((err) => {
+      if (err) {
+        console.error('Failed to start controller!');
+        console.error(err);
+        process.exit(1);
+      }
+    });
 }
 
 function handleSimpleReply(bot, message) {
@@ -168,72 +167,73 @@ function handleEntitiesReply(bot, message) {
   });
 }
 
-function analyzeEntities(text, ts) {
+function analyzeEntities (text, ts) {
   // Instantiates a client
-  const language = Language();
+  const client = new language.LanguageServiceClient();
 
   // Instantiates a Document, representing the provided text
   const document = {
     // The document text, e.g. "Hello, world!"
     content: text,
     // The type of content to analyze
-    type: 'PLAIN_TEXT',
+    type: 'PLAIN_TEXT'
   };
 
   // Detects entities in the document
-  return language.analyzeEntities({document: document}).then(results => {
-    const entities = results[0].entities;
-    entities.forEach(entity => {
-      const name = entity.name;
-      const type = entity.type;
-      const salience = entity.salience;
-      let wikiUrl = '';
-      if (entity.metadata.wikipedia_url) {
-        wikiUrl = entity.metadata.wikipedia_url;
-      }
-
-      // Uncomment this to see the entity info logged to console:
-      // console.log(`${name}, type: ${type}, w url: ${wikiUrl}, salience: ${salience}, ts: ${ts}`);
-
-      db.run('INSERT INTO entities VALUES (?, ?, ?, ?, ?);', [
-        name,
-        type,
-        salience,
-        wikiUrl,
-        Math.round(ts),
-      ]);
+  return client.analyzeEntities({ document: document })
+    .then((results) => {
+      const entities = results[0].entities;
+      entities.forEach((entity) => {
+        const name = entity.name;
+        const type = entity.type;
+        const salience = entity.salience;
+        let wikiUrl = '';
+        if (entity.metadata.wikipedia_url) {
+          wikiUrl = entity.metadata.wikipedia_url;
+        }
+
+        // Uncomment this to see the entity info logged to console:
+        // console.log(`${name}, type: ${type}, w url: ${wikiUrl}, salience: ${salience}, ts: ${ts}`);
+
+        db.run(
+          'INSERT INTO entities VALUES (?, ?, ?, ?, ?);',
+          [name, type, salience, wikiUrl, Math.round(ts)]
+        );
+      });
+
+      return entities;
     });
-
-    return entities;
-  });
 }
 
-function analyzeSentiment(text) {
+function analyzeSentiment (text) {
   // Instantiates a client
-  const language = Language();
+  const client = new language.LanguageServiceClient();
 
   // Instantiates a Document, representing the provided text
   const document = {
     // The document text, e.g. "Hello, world!"
     content: text,
     // The type of content to analyze
-    type: 'PLAIN_TEXT',
+    type: 'PLAIN_TEXT'
   };
 
   // Detects the 'sentiment' of some text using the NL API
-  return language.analyzeSentiment({document: document}).then(results => {
-    const sentiment = results[0];
-
-    // Uncomment the following lines to log the sentiment to the console:
-    // console.log(`Sentiment: ${sentiment}`)
-    // if (sentiment.score >= SENTIMENT_THRESHOLD) {
-    //   console.log('Sentiment: positive.');
-    // } else if (sentiment.score <= -SENTIMENT_THRESHOLD) {
-    //   console.log('Sentiment: negative.');
-    // }
-
-    return sentiment;
-  });
+  return client.analyzeSentiment({ document: document })
+    .then((results) => {
+      const sentiment = results[0].documentSentiment;
+
+      // Uncomment the following lines to log the sentiment to the console:
+      // console.log(`Sentiment: ${sentiment}`)
+      // console.log(`Sentiment score: ${sentiment.score}`)
+      // console.log(`Magnitude: ${sentiment.magnitude}`);
+      // if (sentiment.score >= SENTIMENT_THRESHOLD) {
+      //   console.log('Sentiment: positive.');
+      // } else if (sentiment.score <= -SENTIMENT_THRESHOLD) {
+      //   console.log('Sentiment: negative.');
+      // }
+
+      return sentiment;
+    });
 }
 
 function handleAmbientMessage(bot, message) {
diff --git a/language/slackbot/package.json b/language/slackbot/package.json
index e44564deb3..def5327315 100644
--- a/language/slackbot/package.json
+++ b/language/slackbot/package.json
@@ -21,14 +21,15 @@
     "test": "repo-tools test run --cmd ava -- -T 20s --verbose system-test/*.test.js"
   },
   "dependencies": {
-    "@google-cloud/language": "0.11.0",
+    "@google-cloud/language": "2.0.0",
     "botkit": "0.6.21",
-    "sqlite3": "3.1.13"
+    "sqlite3": "4.0.4"
   },
   "devDependencies": {
-    "@google-cloud/nodejs-repo-tools": "^3.0.0",
+    "@google-cloud/nodejs-repo-tools": "3.0.0",
     "ava": "0.25.0",
     "proxyquire": "2.1.0",
+    "semistandard": "12.0.1",
     "sinon": "3.2.0"
   }
 }