diff --git a/package-lock.json b/package-lock.json
index db50d92..c6d09fa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -665,18 +665,18 @@
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-        "deep-eql": "^3.0.1",
-        "get-func-name": "^2.0.0",
-        "loupe": "^2.3.1",
+        "check-error": "^1.0.3",
+        "deep-eql": "^4.1.3",
+        "get-func-name": "^2.0.2",
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-      "integrity": "sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=",
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@@ -1039,9 +1042,9 @@
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+      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-4.1.4.tgz",
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@@ -1884,9 +1887,9 @@
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-      "integrity": "sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.2.tgz",
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       "dev": true
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@@ -3199,12 +3202,12 @@
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-      "resolved": "https://registry.npmjs.org/loupe/-/loupe-2.3.4.tgz",
-      "integrity": "sha512-OvKfgCC2Ndby6aSTREl5aCCPTNIzlDfQZvZxNUrBrihDhL3xcrYegTblhmEiCrg2kKQz4XsFIaemE5BF4ybSaQ==",
+      "version": "2.3.7",
+      "resolved": "https://registry.npmjs.org/loupe/-/loupe-2.3.7.tgz",
+      "integrity": "sha512-zSMINGVYkdpYSOBmLi0D1Uo7JU9nVdQKrHxC8eYlV+9YKK9WePqAlL7lSlorG/U2Fw1w0hTBmaa/jrQ3UbPHtA==",
       "dev": true,
       "requires": {
-        "get-func-name": "^2.0.0"
+        "get-func-name": "^2.0.1"
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@@ -4827,9 +4830,9 @@
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-      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
-      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.1.0.tgz",
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       "dev": true
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diff --git a/package.json b/package.json
index 9989d0e..62db25c 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "tz-parser": "3.1.3"
   },
   "devDependencies": {
-    "chai": "4.3.6",
+    "chai": "4.5.0",
     "eslint": "4.19.1",
     "eslint-config-standard": "11.0.0",
     "eslint-plugin-import": "2.25.4",