diff --git a/package-lock.json b/package-lock.json
index ebe0668..fd5154b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -637,9 +637,9 @@
       "dev": true
     },
     "coffee-script": {
-      "version": "1.12.7",
-      "resolved": "https://registry.npmjs.org/coffee-script/-/coffee-script-1.12.7.tgz",
-      "integrity": "sha512-fLeEhqwymYat/MpTPUjSKHVYYl0ec2mOyALEMLmzr5i1isuG+6jfI2j2d5oBO3VIzgUXgBVIcOT9uH1TFxBckw==",
+      "version": "1.12.8",
+      "resolved": "https://registry.npmjs.org/coffee-script/-/coffee-script-1.12.8.tgz",
+      "integrity": "sha512-VMFKJK+3Ddjs7e/wXfLV+7oxEp1RS7u8W0Xja26Ky5Me8F1mulvhUGFXTL9qdPId30ID3dwEkDC8eGwAr3oL+w==",
       "dev": true
     },
     "color-convert": {
diff --git a/package.json b/package.json
index 2ecd687..4bcf0a6 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
   },
   "devDependencies": {
     "chai": "4.1.2",
-    "coffee-script": "1.12.7",
+    "coffee-script": "1.12.8",
     "eslint": "4.12.0",
     "eslint-config-standard": "10.2.1",
     "eslint-plugin-import": "2.8.0",