diff --git a/package-lock.json b/package-lock.json
index d5f4d361..9b7c09b3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -415,9 +415,9 @@
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@@ -872,17 +872,18 @@
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+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.5.0.tgz",
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-        "deep-eql": "^3.0.1",
-        "get-func-name": "^2.0.0",
-        "pathval": "^1.1.0",
-        "type-detect": "^4.0.5"
+        "check-error": "^1.0.3",
+        "deep-eql": "^4.1.3",
+        "get-func-name": "^2.0.2",
+        "loupe": "^2.3.6",
+        "pathval": "^1.1.1",
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@@ -903,10 +904,13 @@
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-      "integrity": "sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=",
-      "dev": true
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@@ -2577,9 +2581,9 @@
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+      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-4.1.4.tgz",
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@@ -3012,9 +3016,9 @@
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-      "integrity": "sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=",
+      "version": "2.0.2",
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@@ -4400,6 +4404,15 @@
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+      "resolved": "https://registry.npmjs.org/loupe/-/loupe-2.3.7.tgz",
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+      "dev": true,
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@@ -5194,9 +5207,9 @@
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-      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.0.tgz",
-      "integrity": "sha1-uULm1L3mUwBe9rcTYd74cn0GReA=",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz",
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@@ -6424,9 +6437,9 @@
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+      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.1.0.tgz",
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diff --git a/package.json b/package.json
index 45600118..9bc9f659 100644
--- a/package.json
+++ b/package.json
@@ -64,13 +64,13 @@
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-    "@types/chai": "4.2.13",
+    "@types/chai": "4.3.16",
     "@types/mocha": "5.2.7",
     "@types/node": "11.15.50",
     "@types/node-sass": "4.11.2",
     "@types/sprintf-js": "1.1.2",
     "cat": "0.2.0",
-    "chai": "4.2.0",
+    "chai": "4.5.0",
     "chai-spies": "0.7.1",
     "cross-env": "6.0.3",
     "husky": "3.0.9",