diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index c904c90..0d755df 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -1433,17 +1433,25 @@
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     },
     "chai": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-4.2.0.tgz",
-      "integrity": "sha512-XQU3bhBukrOsQCuwZndwGcCVQHyZi53fQ6Ys1Fym7E4olpIqqZZhhoFJoaKVvV17lWQoXYwgWN2nF5crA8J2jw==",
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.3.4.tgz",
+      "integrity": "sha512-yS5H68VYOCtN1cjfwumDSuzn/9c+yza4f3reKXlE5rUg7SFcCEy90gJvydNgOYtblyf4Zi6jIWRnXOgErta0KA==",
       "dev": true,
       "requires": {
         "assertion-error": "^1.1.0",
         "check-error": "^1.0.2",
         "deep-eql": "^3.0.1",
         "get-func-name": "^2.0.0",
-        "pathval": "^1.1.0",
+        "pathval": "^1.1.1",
         "type-detect": "^4.0.5"
+      },
+      "dependencies": {
+        "pathval": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz",
+          "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==",
+          "dev": true
+        }
       }
     },
     "chalk": {