diff --git a/package.json b/package.json
index a19d33a..870aaa8 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
   },
   "dependencies": {
     "color-convert": "^1.9.1",
-    "color-string": "^1.5.2"
+    "color-string": "^1.5.4"
   },
   "devDependencies": {
     "mocha": "^6.1.4",
diff --git a/test/index.js b/test/index.js
index b07a9a0..bdcb98c 100644
--- a/test/index.js
+++ b/test/index.js
@@ -675,3 +675,11 @@ it('Exceptions', function () {
 		Color('');
 	}, /Unable to parse color from string/);
 });
+
+it('Should parse alphas in RGBA hex notation correctly', function () {
+	// Tests for regression of #174
+	notStrictEqual(
+		Color('#000000ab').alpha(),
+		Color('#000000aa').alpha()
+	);
+});