diff --git a/.codeclimate.yml b/.codeclimate.yml
index 59be980..bff80e2 100644
--- a/.codeclimate.yml
+++ b/.codeclimate.yml
@@ -1,7 +1,7 @@
 engines:
   eslint:
     enabled: true
-    channel: "eslint-6"
+    channel: "eslint-8"
     config:
       config: ".eslintrc.yaml"
 
diff --git a/.eslintrc.yaml b/.eslintrc.yaml
index f19411f..91a4c2e 100644
--- a/.eslintrc.yaml
+++ b/.eslintrc.yaml
@@ -2,9 +2,7 @@ env:
   node: true
   es6: true
   mocha: true
-
-parserOptions:
-  ecmaVersion: 2019
+  es2020: true
 
 plugins:
   - haraka
diff --git a/.github/workflows/ci-test.yml b/.github/workflows/ci-test.yml
index 83cc104..4392618 100644
--- a/.github/workflows/ci-test.yml
+++ b/.github/workflows/ci-test.yml
@@ -2,6 +2,9 @@ name: CI Tests
 
 on: [ push ]
 
+env:
+  CI: true
+
 jobs:
 
   ci-test:
@@ -16,19 +19,16 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest ]
-        node-version: [ 12, 14, 16 ]
+        node-version: [ 14, 16, 18 ]
       fail-fast: false
 
-    env:
-      CI: true
-
     steps:
     - uses: actions/checkout@v2
       name: git checkout
       with:
         fetch-depth: 1
 
-    - uses: actions/setup-node@v2
+    - uses: actions/setup-node@v3
       name: Use Node.js ${{ matrix.node-version }}
       with:
         node-version: ${{ matrix.node-version }}
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 66f1323..f1ae1ba 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -2,6 +2,9 @@ name: Lint
 
 on: [ push ]
 
+env:
+  CI: true
+
 jobs:
 
   lint:
@@ -10,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [ 14 ]
+        node-version: [ 16 ]
 
     steps:
     - uses: actions/checkout@v2
@@ -18,16 +21,12 @@ jobs:
       with:
         fetch-depth: 1
 
-    - uses: actions/setup-node@v2
+    - uses: actions/setup-node@v3
       name: Use Node.js ${{ matrix.node-version }}
       with:
         node-version: ${{ matrix.node-version }}
 
-    - name: Install
-      run: npm install
+    - run: npm install
 
     - name: Lint
       run: npm run lint
-
-      env:
-        CI: true
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index df4a67c..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-language: node_js
-node_js:
-    - "12"
-
-services:
-    - redis-server
-
-before_script:
-
-script:
-    - npm run lint
-    - npm test
-
-after_success:
-    - npm install istanbul codecov
-    - npm run cover
-    - npx codecov
-
-sudo: false
diff --git a/Changes.md b/Changes.md
index 04add9f..76e1832 100644
--- a/Changes.md
+++ b/Changes.md
@@ -1,4 +1,14 @@
 
+## 2.2.0 - 2022-05-23
+
+- dep(node): require 14+
+- dep(redis): bump 3 -> 4
+- dep(eslint): bump 7 -> 8
+- test: update redis test syntax for v4
+- doc(README): deprecate usage of 'plugin'
+- doc(README): update badges
+
+
 ## 2.1.0 - 2021-10-14
 
 - bump redis dep 2.8.0 -> 3.1.2 
@@ -7,33 +17,39 @@
 - use es6 classes
 - es6: use "for item of array" syntax for array iterator
 
+
 ## 2.0.3 - 2017-08-26
 
 - add redis_publish boolean to disable redis results publishing
 
+
 ## 2.0.2 - 2017-06-26
 
 - revert #4, until a proper and tested fix is available
 
+
 ## 2.0.1 - 2017-05-26
 
 - eslint 4 compat
 
+
 ## 2.0.0 - 2017-05-26
 
 - Disable Redis pub/sub by default
 
+
 ## 1.0.2 - 2017-02-13
 
 - publish incr operations
 - update eslint to inherit eslint-plugin-haraka
 - added AppVeyor (windows) testing
 
+
 ## 1.0.1  - 2017-01-26
 
 - update eslint to inherit eslint-plugin-haraka
 * depend on haraka-config
     * vs ./config, which doesn't work for npm packaged plugin tests
 
-## 1.0.0  - initial release
 
+## 1.0.0  - initial release
diff --git a/README.md b/README.md
index 14fda7e..2dc5fcd 100644
--- a/README.md
+++ b/README.md
@@ -21,26 +21,25 @@ Use results in your plugins like so:
 
 ```js
 exports.my_first_hook = function (next, connection) {
-    let plugin = this
 
     // run a test
     ......
 
     // store the results
-    connection.results.add(plugin, {pass: 'my great test' })
+    connection.results.add(this, {pass: 'my great test' })
 
     // run another test
     .....
 
     // store the results
-    connection.results.add(plugin, {fail: 'gotcha!', msg: 'show this'})
+    connection.results.add(this, {fail: 'gotcha!', msg: 'show this'})
 }
 ```
 
 Store the results in the transaction (vs connection):
 
 ```js
-   connection.transaction.results.add(plugin, {...});`
+   connection.transaction.results.add(this, {...});`
 ```
 
 ### Config options
@@ -83,18 +82,18 @@ Examples:
 
 ```js
     const results = connection.results
-    results.add(plugin, {pass: 'null_sender'})
-    results.add(plugin, {fail: 'single_recipient'})
-    results.add(plugin, {skip: 'valid_bounce'}
-    results.add(plugin, {err: 'timed out looking in couch cushions'})
-    results.add(plugin, {msg: 'I found a nickel!', emit: true})
+    results.add(this, {pass: 'null_sender'})
+    results.add(this, {fail: 'single_recipient'})
+    results.add(this, {skip: 'valid_bounce'}
+    results.add(this, {err: 'timed out looking in couch cushions'})
+    results.add(this, {msg: 'I found a nickel!', emit: true})
 ```
 
 In addition to appending values to the predefined lists, arbitrary results
 can be stored in the cache:
 
 ```js
-    results.add(plugin, {my_result: 'anything I want'})
+    results.add(this, {my_result: 'anything I want'})
 ```
 
 When arbirary values are stored, they are listed first in the log output. Their
@@ -107,10 +106,10 @@ Increment counters. The argument to incr is an object with counter names and
 increment values. Examples:
 
 ```js
-    results.incr(plugin, {unrecognized_commands: 1})
+    results.incr(this, {unrecognized_commands: 1})
 
-    results.incr(plugin, {karma: -1})
-    results.incr(plugin, {karma:  2})
+    results.incr(this, {karma: -1})
+    results.incr(this, {karma:  2})
 ```
 
 
@@ -120,14 +119,14 @@ Append items onto arrays. The argument to push is an object with array names and
 the new value to be appended to the array. Examples:
 
 ```js
-    results.push(plugin, {dns_recs: 'name1'})
-    results.push(plugin, {dns_recs: 'name2'})
+    results.push(this, {dns_recs: 'name1'})
+    results.push(this, {dns_recs: 'name2'})
 ```
 
 #### collate
 
 ```js
-    const summary = results.collate(plugin)
+    const summary = results.collate(this)
 ```
 
 Formats the contents of the result cache and returns them. This function is
@@ -174,8 +173,8 @@ Syntax:
 #### Store Results:
 
 ```js
-    results.add(plugin, {pass: 'some_test'})
-    results.add(plugin, {pass: 'some_test(with reason)'})
+    results.add(this, {pass: 'some_test'})
+    results.add(this, {pass: 'some_test(with reason)'})
 ```
 
 #### Retrieve exact match with **get**:
@@ -215,7 +214,7 @@ human_html output, prefix the name of the key with an underscore.
 Example:
 
 ```js
-    results.add(plugin, { _hidden: 'some data' })
+    results.add(this, { _hidden: 'some data' })
 ```
 
 ## Redis Pub/Sub
@@ -237,9 +236,8 @@ exports.register = function (next, server) {
 }
 
 exports.redis_subscribe = function (next, connection) {
-    const plugin = this
 
-    plugin.redis_subscribe(connection, function () {
+    this.redis_subscribe(connection, function () {
         connection.notes.redis.on('pmessage', (pattern, channel, message) => {
             // do stuff with messages that look like this
             // {"plugin":"karma","result":{"fail":"spamassassin.hits"}}
diff --git a/index.js b/index.js
index b90f22b..ae4d2fc 100644
--- a/index.js
+++ b/index.js
@@ -66,7 +66,6 @@ class ResultStore {
         if (!this.conn.server.notes.redis) return;
 
         const channel = `result-${this.conn.transaction ? this.conn.transaction.uuid : this.conn.uuid}`;
-
         this.conn.server.notes.redis.publish(channel, JSON.stringify({ plugin: name, result: obj }));
     }
 
diff --git a/package.json b/package.json
index 97e06cf..1ef73ef 100644
--- a/package.json
+++ b/package.json
@@ -1,15 +1,18 @@
 {
   "name": "haraka-results",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Haraka results store for connections and transactions",
   "main": "index.js",
   "directories": {
     "test": "test"
   },
+  "engines": {
+    "node": ">=14"
+  },
   "scripts": {
+    "cover": "npx istanbul cover npm run test",
     "lint": "npx eslint *.js test/*.js",
     "lintfix": "npx eslint --fix *.js test/*.js",
-    "cover": "npx istanbul cover ./run_tests",
     "test": "npx mocha"
   },
   "repository": {
@@ -29,16 +32,15 @@
   },
   "homepage": "https://github.com/haraka/haraka-results#readme",
   "devDependencies": {
-    "eslint": ">=7",
+    "eslint": ">=8",
     "eslint-plugin-haraka": "*",
     "haraka-test-fixtures": "*",
-    "redis": "*",
     "mocha": "*"
   },
   "dependencies": {
     "haraka-config": "*"
   },
   "optionalDependencies": {
-    "redis": "^3.1.2"
+    "redis": "^4.1.0"
   }
 }
diff --git a/test/result_store.js b/test/result_store.js
index 6e1ea03..8b6a020 100644
--- a/test/result_store.js
+++ b/test/result_store.js
@@ -173,26 +173,24 @@ describe('redis_publish', () => {
                 redis: require('redis').createClient(),
             }
         };
+        await server.notes.redis.connect()
         this.connection = new fixtures.connection.createConnection(null, server);
         this.connection.results = new Results(this.connection);
     })
 
-    it('redis_publish', function (done) {
+    it('redis_publish', async function () {
         const conn = this.connection;
 
-        // this redis client is subscribed
-        const sub_db = redis.createClient();
-        sub_db.on('pmessage', function (pattern, channel, message) {
-            // console.log(arguments);
+        const sub_db = redis.createClient()
+
+        await sub_db.connect()
+
+        await sub_db.pSubscribe('*', (message, channel) => {
             assert.equal(JSON.parse(message).result.pass, 'the test');
             conn.server.notes.redis.quit()
             sub_db.quit()
-            done()
         })
-            .on('psubscribe', function (pattern, count) {
-            // console.log(`psubscribed to ${pattern}`);
-                conn.results.add({ name: 'pi'}, { pass: 'the test'});
-            })
-            .psubscribe('*');
+
+        conn.results.add({ name: 'pi'}, { pass: 'the test'})
     })
 })