diff --git a/benchmark/server b/benchmark/server
index 6852f22..39fece8 100755
--- a/benchmark/server
+++ b/benchmark/server
@@ -3,6 +3,8 @@
 /* eslint-env node */
 /* eslint no-console: 0 */
 
+"use strict";
+
 /*
  * Small server whose main purpose is to ensure that both the benchmarked code
  * and the benchmark get passed through Babel & Browserify before they are
diff --git a/package.json b/package.json
index 97195e8..bc80c70 100644
--- a/package.json
+++ b/package.json
@@ -50,6 +50,7 @@
     "browserify": "13.1.0",
     "eslint": "2.13.1",
     "express": "4.14.0",
+    "glob": "7.0.6",
     "jasmine-node": "1.14.5",
     "morgan": "1.7.0",
     "uglify-js": "2.7.0"
diff --git a/spec/server b/spec/server
index fcd29f7..e729d7e 100755
--- a/spec/server
+++ b/spec/server
@@ -3,6 +3,8 @@
 /* eslint-env node */
 /* eslint no-console: 0 */
 
+"use strict";
+
 /*
  * Small server whose main purpose is to ensure that both the specced code and
  * the specs get passed through Babel & Browserify before they are served to the