diff --git a/package-lock.json b/package-lock.json
index 28efd16..99016e5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,9 +30,9 @@
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     "@types/continuation-local-storage": {
@@ -250,16 +250,16 @@
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-      "resolved": "https://registry.npmjs.org/chai/-/chai-4.2.0.tgz",
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+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.3.4.tgz",
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-        "pathval": "^1.1.0",
+        "pathval": "^1.1.1",
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@@ -945,9 +945,9 @@
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-      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.0.tgz",
-      "integrity": "sha1-uULm1L3mUwBe9rcTYd74cn0GReA=",
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diff --git a/package.json b/package.json
index 4a34a00..21465c6 100644
--- a/package.json
+++ b/package.json
@@ -23,14 +23,14 @@
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+    "@types/chai": "4.2.16",
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     "@types/mocha": "5.2.7",
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     "aws-sdk": "2.624.0",
-    "chai": "4.2.0",
+    "chai": "4.3.4",
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