diff --git a/package.json b/package.json
index ce879be..11ca559 100644
--- a/package.json
+++ b/package.json
@@ -39,9 +39,9 @@
 		"text"
 	],
 	"dependencies": {
-		"ansi-styles": "^3.0.0",
-		"escape-string-regexp": "^1.0.2",
-		"supports-color": "^3.2.3"
+		"ansi-styles": "^3.1.0",
+		"escape-string-regexp": "^1.0.5",
+		"supports-color": "^4.0.0"
 	},
 	"devDependencies": {
 		"coveralls": "^2.11.2",