5 files changed, 16 insertions, 6 deletions
diff --git a/packages/tslint-config/CHANGELOG.md b/packages/tslint-config/CHANGELOG.md
index 1d56bca5b..04d705941 100644
--- a/packages/tslint-config/CHANGELOG.md
+++ b/packages/tslint-config/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## v0.5.0 - _TBD, 2018_
+
+    * Modified custom 'underscore-privates' rule, changing it to 'underscore-private-and-protected' requiring underscores to be prepended to both private and protected variable names (#354)
+
 ## v0.4.0 - _December 28, 2017_
 
     * Added custom 'underscore-privates' rule, requiring underscores to be prepended to private variable names
diff --git a/packages/tslint-config/README.md b/packages/tslint-config/README.md
index 8a6fa8a2f..b517f2d95 100644
--- a/packages/tslint-config/README.md
+++ b/packages/tslint-config/README.md
@@ -44,6 +44,12 @@ yarn install
 yarn build
 ```
 
+or
+
+```bash
+yarn build:watch
+```
+
 ### Lint
 
 ```bash
diff --git a/packages/tslint-config/package.json b/packages/tslint-config/package.json
index 3b616ba3a..c2a8b0692 100644
--- a/packages/tslint-config/package.json
+++ b/packages/tslint-config/package.json
@@ -1,9 +1,10 @@
 {
     "name": "@0xproject/tslint-config",
-    "version": "0.4.5",
+    "version": "0.4.6",
     "description": "Lint rules related to 0xProject for TSLint",
     "main": "tslint.json",
     "scripts": {
+        "build:watch": "tsc -w",
         "build": "tsc",
         "clean": "shx rm -rf lib",
         "lint": "tslint --project . 'rules/**/*.ts'"
@@ -38,7 +39,7 @@
         "shx": "^0.2.2",
         "tslint": "5.8.0",
         "tslint-eslint-rules": "^4.1.1",
-        "typescript": "~2.6.1"
+        "typescript": "2.7.1"
     },
     "dependencies": {
         "lodash": "^4.17.4",
diff --git a/packages/tslint-config/rules/underscorePrivatesRule.ts b/packages/tslint-config/rules/underscorePrivateAndProtectedRule.ts
index 472ea09ff..2f05b0c18 100644
--- a/packages/tslint-config/rules/underscorePrivatesRule.ts
+++ b/packages/tslint-config/rules/underscorePrivateAndProtectedRule.ts
@@ -12,7 +12,7 @@ type RelevantClassMember =
 // Copied from: https://github.com/DanielRosenwasser/underscore-privates-tslint-rule
 // The version on github is not published on npm
 export class Rule extends Lint.Rules.AbstractRule {
-    public static FAILURE_STRING = 'private members must be prefixed with an underscore';
+    public static FAILURE_STRING = 'private and protected members must be prefixed with an underscore';
 
     public apply(sourceFile: ts.SourceFile): Lint.RuleFailure[] {
         return this.applyWithFunction(sourceFile, walk);
@@ -54,7 +54,7 @@ function nameStartsWithUnderscore(text: string) {
     return text.charCodeAt(0) === UNDERSCORE.charCodeAt(0);
 }
 function memberIsPrivate(node: ts.Declaration) {
-    return Lint.hasModifier(node.modifiers, ts.SyntaxKind.PrivateKeyword);
+    return Lint.hasModifier(node.modifiers, ts.SyntaxKind.PrivateKeyword, ts.SyntaxKind.ProtectedKeyword);
 }
 function nameIsIdentifier(node: ts.Node): node is ts.Identifier {
     return node.kind === ts.SyntaxKind.Identifier;
diff --git a/packages/tslint-config/tslint.json b/packages/tslint-config/tslint.json
index 971588b08..3266b022f 100644
--- a/packages/tslint-config/tslint.json
+++ b/packages/tslint-config/tslint.json
@@ -44,7 +44,6 @@
         "no-string-throw": true,
         "no-submodule-imports": false,
         "no-unnecessary-type-assertion": true,
-        "no-unused-variable": [true, { "ignore-pattern": "^_\\d*" }],
         "no-implicit-dependencies": [true, "dev"],
         "number-literal-format": true,
         "object-literal-sort-keys": false,
@@ -74,7 +73,7 @@
         ],
         "space-within-parens": false,
         "type-literal-delimiter": true,
-        "underscore-privates": true,
+        "underscore-private-and-protected": true,
         "variable-name": [true, "ban-keywords", "allow-pascal-case"],
         "whitespace": [
             true,