diff --git a/package.json b/package.json
index cfb91a64f..df2ba46cf 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "ip": "1.1.5",
     "jed": "1.1.1",
     "sass": "1.59.3",
-    "sizzle": "2.3.3",
+    "sizzle": "2.3.10",
     "stylelint": "15.10.3",
     "stylelint-config-standard-scss": "11.0.0",
     "stylelint-formatter-pretty": "3.2.1"