diff --git a/package-lock.json b/package-lock.json
index 15d985e..71cd014 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1321,10 +1321,10 @@
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-        "babel-runtime": "6.26.0",
-        "babel-template": "6.26.0",
-        "babel-types": "6.26.0"
+        "babel-plugin-transform-strict-mode": "^6.24.1",
+        "babel-runtime": "^6.26.0",
+        "babel-template": "^6.26.0",
+        "babel-types": "^6.26.0"
       }
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@@ -1333,8 +1333,8 @@
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       "dev": true,
       "requires": {
-        "babel-runtime": "6.26.0",
-        "babel-types": "6.26.0"
+        "babel-runtime": "^6.22.0",
+        "babel-types": "^6.24.1"
       }
     },
     "babel-polyfill": {
@@ -1826,15 +1826,15 @@
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       "dev": true,
       "requires": {
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-        "async-each": "1.0.1",
-        "fsevents": "1.2.3",
-        "glob-parent": "2.0.0",
-        "inherits": "2.0.3",
-        "is-binary-path": "1.0.1",
-        "is-glob": "2.0.1",
-        "path-is-absolute": "1.0.1",
-        "readdirp": "2.1.0"
+        "anymatch": "^1.3.0",
+        "async-each": "^1.0.0",
+        "fsevents": "^1.0.0",
+        "glob-parent": "^2.0.0",
+        "inherits": "^2.0.1",
+        "is-binary-path": "^1.0.0",
+        "is-glob": "^2.0.0",
+        "path-is-absolute": "^1.0.0",
+        "readdirp": "^2.0.0"
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@@ -1843,8 +1843,8 @@
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           "dev": true,
           "requires": {
-            "micromatch": "2.3.11",
-            "normalize-path": "2.1.1"
+            "micromatch": "^2.1.5",
+            "normalize-path": "^2.0.0"
           }
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       }
@@ -2484,17 +2484,17 @@
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-        "babel-runtime": "6.26.0",
-        "chokidar": "1.7.0",
-        "duplexer": "0.1.1",
-        "glob": "7.1.2",
-        "glob2base": "0.0.12",
-        "minimatch": "3.0.4",
-        "mkdirp": "0.5.1",
-        "resolve": "1.1.7",
-        "safe-buffer": "5.1.2",
-        "shell-quote": "1.6.1",
-        "subarg": "1.0.0"
+        "babel-runtime": "^6.9.2",
+        "chokidar": "^1.6.0",
+        "duplexer": "^0.1.1",
+        "glob": "^7.0.5",
+        "glob2base": "^0.0.12",
+        "minimatch": "^3.0.2",
+        "mkdirp": "^0.5.1",
+        "resolve": "^1.1.7",
+        "safe-buffer": "^5.0.1",
+        "shell-quote": "^1.6.1",
+        "subarg": "^1.0.0"
       }
     },
     "cross-spawn": {
@@ -4556,7 +4556,7 @@
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       "dev": true,
       "requires": {
-        "find-index": "0.1.1"
+        "find-index": "^0.1.1"
       }
     },
     "global-dirs": {
@@ -5519,7 +5519,7 @@
       "integrity": "sha1-dfFmQrSA8YenEcgUFh/TpKdlWJg=",
       "dev": true,
       "requires": {
-        "binary-extensions": "1.11.0"
+        "binary-extensions": "^1.0.0"
       }
     },
     "is-buffer": {
@@ -7930,10 +7930,10 @@
       "integrity": "sha1-TtCtBg3zBzMAxIRANz9y0cxkLXg=",
       "dev": true,
       "requires": {
-        "graceful-fs": "4.1.11",
-        "minimatch": "3.0.4",
-        "readable-stream": "2.3.6",
-        "set-immediate-shim": "1.0.1"
+        "graceful-fs": "^4.1.2",
+        "minimatch": "^3.0.2",
+        "readable-stream": "^2.0.2",
+        "set-immediate-shim": "^1.0.1"
       }
     },
     "readline2": {
@@ -8895,10 +8895,10 @@
       "integrity": "sha1-9HgZSczkAmlxJ0MOo7PFR29IF2c=",
       "dev": true,
       "requires": {
-        "array-filter": "0.0.1",
-        "array-map": "0.0.0",
-        "array-reduce": "0.0.0",
-        "jsonify": "0.0.0"
+        "array-filter": "~0.0.0",
+        "array-map": "~0.0.0",
+        "array-reduce": "~0.0.0",
+        "jsonify": "~0.0.0"
       }
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     "shelljs": {
@@ -9353,7 +9353,7 @@
       "integrity": "sha1-9izxdYHplrSPyWVpn1TAauJouNI=",
       "dev": true,
       "requires": {
-        "minimist": "1.2.0"
+        "minimist": "^1.1.0"
       },
       "dependencies": {
         "minimist": {
@@ -9860,20 +9860,21 @@
       "dev": true
     },
     "ts-jest": {
-      "version": "22.4.4",
-      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-22.4.4.tgz",
-      "integrity": "sha512-v9pO7u4HNMDSBCN9IEvlR6taDAGm2mo7nHEDLWyoFDgYeZ4aHm8JHEPrthd8Pmcl4eCM8J4Ata4ROR/cwFRV2A==",
-      "dev": true,
-      "requires": {
-        "babel-core": "6.26.3",
-        "babel-plugin-istanbul": "4.1.6",
-        "babel-plugin-transform-es2015-modules-commonjs": "6.26.2",
-        "babel-preset-jest": "22.4.3",
-        "cpx": "1.5.0",
-        "fs-extra": "4.0.3",
-        "jest-config": "22.4.3",
-        "pkg-dir": "2.0.0",
-        "yargs": "11.0.0"
+      "version": "22.4.5",
+      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-22.4.5.tgz",
+      "integrity": "sha512-3LkEkPzKutk+klOxtAhvTdYc9ZK7lHugyPg4VNj+l8jg7CCOBgAHqp009MWdT6WllYeSoWHcQaB3aJ6/JbTMJg==",
+      "dev": true,
+      "requires": {
+        "babel-core": "^6.26.3",
+        "babel-plugin-istanbul": "^4.1.6",
+        "babel-plugin-transform-es2015-modules-commonjs": "^6.26.2",
+        "babel-preset-jest": "^22.4.3",
+        "cpx": "^1.5.0",
+        "fs-extra": "6.0.0",
+        "jest-config": "^22.4.3",
+        "lodash": "^4.17.10",
+        "pkg-dir": "^2.0.0",
+        "yargs": "^11.0.0"
       },
       "dependencies": {
         "camelcase": {
@@ -9888,20 +9889,20 @@
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           "dev": true,
           "requires": {
-            "string-width": "2.1.1",
-            "strip-ansi": "4.0.0",
-            "wrap-ansi": "2.1.0"
+            "string-width": "^2.1.1",
+            "strip-ansi": "^4.0.0",
+            "wrap-ansi": "^2.0.0"
           }
         },
         "fs-extra": {
-          "version": "4.0.3",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-4.0.3.tgz",
-          "integrity": "sha512-q6rbdDd1o2mAnQreO7YADIxf/Whx4AHBiRf6d+/cVT8h44ss+lHgxf1FemcqDnQt9X3ct4McHr+JMGlYSsK7Cg==",
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-6.0.0.tgz",
+          "integrity": "sha512-lk2cUCo8QzbiEWEbt7Cw3m27WMiRG321xsssbcIpfMhpRjrlC08WBOVQqj1/nQYYNnPtyIhP1oqLO3QwT2tPCw==",
           "dev": true,
           "requires": {
-            "graceful-fs": "4.1.11",
-            "jsonfile": "4.0.0",
-            "universalify": "0.1.1"
+            "graceful-fs": "^4.1.2",
+            "jsonfile": "^4.0.0",
+            "universalify": "^0.1.0"
           }
         },
         "yargs": {
@@ -9910,18 +9911,18 @@
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           "dev": true,
           "requires": {
-            "cliui": "4.1.0",
-            "decamelize": "1.2.0",
-            "find-up": "2.1.0",
-            "get-caller-file": "1.0.2",
-            "os-locale": "2.1.0",
-            "require-directory": "2.1.1",
-            "require-main-filename": "1.0.1",
-            "set-blocking": "2.0.0",
-            "string-width": "2.1.1",
-            "which-module": "2.0.0",
-            "y18n": "3.2.1",
-            "yargs-parser": "9.0.2"
+            "cliui": "^4.0.0",
+            "decamelize": "^1.1.1",
+            "find-up": "^2.1.0",
+            "get-caller-file": "^1.0.1",
+            "os-locale": "^2.0.0",
+            "require-directory": "^2.1.1",
+            "require-main-filename": "^1.0.1",
+            "set-blocking": "^2.0.0",
+            "string-width": "^2.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^3.2.1",
+            "yargs-parser": "^9.0.2"
           }
         },
         "yargs-parser": {
@@ -9930,7 +9931,7 @@
           "integrity": "sha1-nM9qQ0YP5O1Aqbto9I1DuKaMwHc=",
           "dev": true,
           "requires": {
-            "camelcase": "4.1.0"
+            "camelcase": "^4.1.0"
           }
         }
       }
diff --git a/package.json b/package.json
index 54d0926..3da61b8 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "husky": "0.14.3",
     "jest": "22.4.3",
     "semantic-release": "15.2.0",
-    "ts-jest": "22.4.4",
+    "ts-jest": "22.4.5",
     "tslint": "5.9.1",
     "typedoc": "0.11.1",
     "typescript": "2.8.3"