diff --git a/tests/package-lock.json b/tests/package-lock.json
index 4d5905d7..26da6f0f 100644
--- a/tests/package-lock.json
+++ b/tests/package-lock.json
@@ -136,9 +136,9 @@
       "integrity": "sha512-dLMhIsK7OplcDauDH/tZLvK7JmUZK3A7KiQpjNzsBrM6Etw7hzNI1tLEywqJk9NnwkgWuFKSlx/IUO7vF6Mo8Q=="
     },
     "bignumber.js": {
-      "version": "9.1.0",
-      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.1.0.tgz",
-      "integrity": "sha512-4LwHK4nfDOraBCtst+wOWIHbu1vhvAPJK8g8nROd4iuc3PSEjWif/qwbkh8jwCJz6yDBvtU4KPynETgrfh7y3A=="
+      "version": "9.1.1",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.1.1.tgz",
+      "integrity": "sha512-pHm4LsMJ6lzgNGVfZHjMoO8sdoRhOzOH4MLmY65Jg70bpxCKu5iOHNJyfF6OyvYw7t8Fpf35RuzUyqnQsj8Vig=="
     },
     "binary-search": {
       "version": "1.3.6",
@@ -1395,15 +1395,14 @@
       "integrity": "sha512-A0xLykHtARfueITVDernsAWdtIMbOJgKgcluwENp3AlsKN/PloyO10HtmoqnFAQAcxPkgZN7wdfPfEd0zNGxbg=="
     },
     "nearley": {
-      "version": "2.19.7",
-      "resolved": "https://registry.npmjs.org/nearley/-/nearley-2.19.7.tgz",
-      "integrity": "sha512-Y+KNwhBPcSJKeyQCFjn8B/MIe+DDlhaaDgjVldhy5xtFewIbiQgcbZV8k2gCVwkI1ZsKCnjIYZbR+0Fim5QYgg==",
+      "version": "2.20.1",
+      "resolved": "https://registry.npmjs.org/nearley/-/nearley-2.20.1.tgz",
+      "integrity": "sha512-+Mc8UaAebFzgV+KpI5n7DasuuQCHA89dmwm7JXw3TV43ukfNQ9DnBH3Mdb2g/I4Fdxc26pwimBWvjIw0UAILSQ==",
       "requires": {
         "commander": "^2.19.0",
         "moo": "^0.5.0",
         "railroad-diagrams": "^1.0.0",
-        "randexp": "0.4.6",
-        "semver": "^5.4.1"
+        "randexp": "0.4.6"
       },
       "dependencies": {
         "commander": {
@@ -2056,11 +2055,6 @@
         }
       }
     },
-    "semver": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
-      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
-    },
     "separator-escape": {
       "version": "0.0.0",
       "resolved": "https://registry.npmjs.org/separator-escape/-/separator-escape-0.0.0.tgz",