diff --git a/package-lock.json b/package-lock.json
index b89561a..6e2f9b8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -258,9 +258,9 @@
       }
     },
     "acorn": {
-      "version": "5.7.2",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.2.tgz",
-      "integrity": "sha512-cJrKCNcr2kv8dlDnbw+JPUGjHZzo4myaxOLmpOX8a+rgX94YeTcTMv/LFJUSByRpc+i4GgVnnhLxvMu/2Y+rqw=="
+      "version": "5.7.4",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
+      "integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg=="
     },
     "acorn-dynamic-import": {
       "version": "3.0.0",