diff --git a/packages/definitelytyped-header-parser/index.ts b/packages/definitelytyped-header-parser/index.ts
index f9402d1c..d8ffad63 100644
--- a/packages/definitelytyped-header-parser/index.ts
+++ b/packages/definitelytyped-header-parser/index.ts
@@ -23,8 +23,8 @@ export namespace TypeScriptVersion {
 	}
 
 	/** True if a package with the given typescript version should be published as prerelease. */
-	export function isPrerelease(version: TypeScriptVersion): boolean {
-		return version === Latest;
+	export function isPrerelease(_version: TypeScriptVersion): boolean {
+		return false;
 	}
 
 	/** List of NPM tags that should be changed to point to the latest version. */
@@ -120,7 +120,7 @@ function headerParser(strict: boolean): pm.Parser<Header> {
 			libraryName: label.name,
 			libraryMajorVersion: label.major,
 			libraryMinorVersion: label.minor,
-			projects, contributors, typeScriptVersion
+			projects, contributors, typeScriptVersion,
 		}));
 }
 
@@ -151,7 +151,7 @@ function contributorsParser(strict: boolean): pm.Parser<Author[]> {
 		return pm.seqMap(contributors, pm.regexp(/ */), a => a);
 	}
 	return contributors;
-};
+}
 
 // TODO: Should we do something with the URL?
 const definitionsParser = pm.regexp(/\r?\n\/\/ Definitions: [^\r\n]+/);
diff --git a/packages/definitelytyped-header-parser/package.json b/packages/definitelytyped-header-parser/package.json
index 7d807eb6..1a2aafcf 100644
--- a/packages/definitelytyped-header-parser/package.json
+++ b/packages/definitelytyped-header-parser/package.json
@@ -11,20 +11,20 @@
     "build": "tsc",
     "watch": "tsc --watch",
     "lint": "tslint --format stylish index.ts test/*.ts",
-    "test": "mocha --require test/mocha-require.js 'test/*.ts'"
+    "test": "mocha --require test/mocha-require.js \"test/*.ts\""
   },
   "dependencies": {
     "parsimmon": "^1.2.0",
-    "@types/parsimmon": "^1.0.1"
+    "@types/parsimmon": "^1.0.4"
   },
   "devDependencies": {
-    "@types/mocha": "^2.2.39",
-    "@types/node": "^7.0.5",
-    "mocha": "^3.2.0",
+    "@types/mocha": "^2.2.41",
+    "@types/node": "^7.0.18",
+    "mocha": "^3.4.1",
     "npm-run-all": "^4.0.1",
-    "ts-node": "^2.1.0",
-    "tslint": "^4.4.2",
-    "typescript": "^2.2.0"
+    "ts-node": "^3.0.4",
+    "tslint": "^5.2.0",
+    "typescript": "^2.3.2"
   },
   "license": "MIT"
 }
diff --git a/packages/definitelytyped-header-parser/test/test.ts b/packages/definitelytyped-header-parser/test/test.ts
index f0513470..82c94965 100644
--- a/packages/definitelytyped-header-parser/test/test.ts
+++ b/packages/definitelytyped-header-parser/test/test.ts
@@ -19,8 +19,8 @@ describe("parse", () => {
 			projects: ["https://github.com/foo/foo", "https://foo.com"],
 			contributors: [
 				{ name: "My Self", url: "https://github.com/me" },
-				{ name: "Some Other Guy", url: "https://github.com/otherguy" }
-			]
+				{ name: "Some Other Guy", url: "https://github.com/otherguy" },
+			],
 		});
 	});
 
@@ -43,8 +43,8 @@ describe("parse", () => {
 			projects: ["https://github.com/foo/foo", "https://foo.com"],
 			contributors: [
 				{ name: "My Self", url: "https://github.com/me" },
-				{ name: "Some Other Guy", url: "https://github.com/otherguy" }
-			]
+				{ name: "Some Other Guy", url: "https://github.com/otherguy" },
+			],
 		});
 	});
 });
diff --git a/packages/definitelytyped-header-parser/tslint.json b/packages/definitelytyped-header-parser/tslint.json
index ee6fc1fe..038a4e63 100644
--- a/packages/definitelytyped-header-parser/tslint.json
+++ b/packages/definitelytyped-header-parser/tslint.json
@@ -1,13 +1,12 @@
 {
     "extends": "tslint:latest",
     "rules": {
-        "arrow-parens": false,
+        "arrow-parens": [true, "ban-single-arg-parens"],
         "indent": [true, "tab"],
-        "interface-name": false,
+        "interface-name": [true, "never-prefix"],
         "no-namespace": false,
         "object-literal-sort-keys": false,
         "switch-default": false,
-        "trailing-comma": false,
         "variable-name": false
     }
 }
\ No newline at end of file