diff --git a/package-lock.json b/package-lock.json
index ba560e7..f3fd2ab 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,9 +16,9 @@
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         },
         "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
         },
         "acorn-jsx": {