diff --git a/.travis.yml b/.travis.yml
index 55c5e48..ac233c3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
 language: node_js
 node_js:
-    - "8"
     - "10"
+    - "12"
diff --git a/test/unit/serialize.js b/test/unit/serialize.js
index 5241916..0c0df3d 100644
--- a/test/unit/serialize.js
+++ b/test/unit/serialize.js
@@ -299,7 +299,7 @@ describe('serialize( obj )', function () {
         });
 
         it('should serialize dangerous regexps', function () {
-            var re = /[</script><script>alert('xss')//]/
+            var re = /[<\/script><script>alert('xss')\/\/]/
             expect(serialize(re)).to.be.a('string').equal('new RegExp("[\\u003C\\\\\\u002Fscript\\u003E\\u003Cscript\\u003Ealert(\'xss\')\\\\\\u002F\\\\\\u002F]", "")');
         });
     });