diff --git a/bin/tap-difflet b/bin/tap-difflet
index e66391f..85279a0 100755
--- a/bin/tap-difflet
+++ b/bin/tap-difflet
@@ -21,7 +21,7 @@ var options = docopt(usage, {
 
 function getOptionsWithoutDashes(options) {
   const transformedOptions = {}
-  Object.keys(options).forEach(key => {
+  Object.keys(options).forEach(function(key) {
     const keyWithoutDashes = key.replace(/^(--|-)/, '');
     transformedOptions[keyWithoutDashes] = options[key];
   });
diff --git a/package.json b/package.json
index 320b47c..a9db0c9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tap-difflet",
-  "version": "0.7.0",
+  "version": "0.7.2",
   "description": "TAP output formatter using difflet for inequality errors.",
   "bin": {
     "tap-difflet": "bin/tap-difflet"
@@ -35,7 +35,7 @@
   },
   "dependencies": {
     "ansidiff": "^1.0.0",
-    "chalk": "^0.5.1",
+    "chalk": "^2.3.2",
     "difflet": "^0.2.6",
     "docopt": "^0.6.2",
     "duplexer": "^0.1.1",