diff --git a/waltz-ng/package-lock.json b/waltz-ng/package-lock.json
index 87b4f66e2b..00b4113c35 100644
--- a/waltz-ng/package-lock.json
+++ b/waltz-ng/package-lock.json
@@ -2773,9 +2773,9 @@
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         },
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-            "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,
             "bin": {
                 "acorn": "bin/acorn"
@@ -14334,9 +14334,9 @@
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-            "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
         },
         "adler-32": {