diff --git a/package-lock.json b/package-lock.json
index 9bba031..e39239d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
     "requires": true,
     "dependencies": {
         "acorn": {
-            "version": "5.7.1",
-            "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.1.tgz",
-            "integrity": "sha512-d+nbxBUGKg7Arpsvbnlq61mc12ek3EY8EQldM3GPAhWJ1UVxC6TDGbIvUMNU6obBX3i1+ptCIzV4vq0gFPEGVQ==",
+            "version": "5.7.4",
+            "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
+            "integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==",
             "dev": true
         },
         "align-text": {