diff --git a/lib/babel-config.js b/lib/babel-config.js
index 1bfdafb7f..80fe4d125 100644
--- a/lib/babel-config.js
+++ b/lib/babel-config.js
@@ -62,7 +62,7 @@ var rewritePlugin = lazy(function () {
 });
 
 function rewriteBabelRuntimePaths(path) {
-	var isBabelPath = /^babel-runtime[\\\/]?/.test(path.node.value);
+	var isBabelPath = /^babel-runtime[\\/]?/.test(path.node.value);
 
 	if (path.isLiteral() && isBabelPath) {
 		path.node.value = require.resolve(path.node.value);
diff --git a/lib/fork.js b/lib/fork.js
index c7ceac4e2..a1ac78169 100644
--- a/lib/fork.js
+++ b/lib/fork.js
@@ -79,7 +79,7 @@ module.exports = function (file, opts, execArgv) {
 				return;
 			}
 
-			event.name = event.name.replace(/^ava\-/, '');
+			event.name = event.name.replace(/^ava-/, '');
 			event.data.file = relFile;
 
 			debug('ipc %s:\n%o', event.name, event.data);
diff --git a/lib/prefix-title.js b/lib/prefix-title.js
index 9fa35cd00..fc67c2a14 100644
--- a/lib/prefix-title.js
+++ b/lib/prefix-title.js
@@ -9,7 +9,7 @@ module.exports = function (file, base, separator) {
 		})
 		.replace(/\.spec/, '')
 		.replace(/\.test/, '')
-		.replace(/test\-/g, '')
+		.replace(/test-/g, '')
 		.replace(/\.js$/, '')
 		.split(path.sep)
 		.filter(function (p) {
diff --git a/package.json b/package.json
index 15078bb8d..e91a0cadf 100644
--- a/package.json
+++ b/package.json
@@ -175,14 +175,14 @@
     "inquirer": "^1.0.2",
     "lolex": "^1.4.0",
     "mkdirp": "^0.5.1",
-    "nyc": "^8.3.0",
+    "nyc": "^9.0.1",
     "pify": "^2.3.0",
     "proxyquire": "^1.7.4",
     "rimraf": "^2.5.0",
     "signal-exit": "^3.0.0",
     "sinon": "^1.17.2",
     "source-map-fixtures": "^2.1.0",
-    "tap": "^7.1.2",
+    "tap": "^8.0.0",
     "touch": "^1.0.0",
     "xo": "^0.17.0",
     "zen-observable": "^0.3.0"