diff --git a/package-lock.json b/package-lock.json
index 2c6eded..27ec5ef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "simple-timer",
-  "version": "0.1.0",
+  "version": "1.0.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -2811,6 +2811,15 @@
         "node-releases": "^1.1.44"
       }
     },
+    "bs-logger": {
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/bs-logger/-/bs-logger-0.2.6.tgz",
+      "integrity": "sha512-pd8DCoxmbgc7hyPKOvxtqNcjYoOsABPQdcCUjGp3d42VR2CX1ORhk2A87oqqu5R1kk+76nsxZupkmyd+MVtCog==",
+      "dev": true,
+      "requires": {
+        "fast-json-stable-stringify": "2.x"
+      }
+    },
     "bser": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/bser/-/bser-2.1.1.tgz",
@@ -4045,9 +4054,9 @@
       "integrity": "sha1-s55/HabrCnW6nBcySzR1PEfgZU0="
     },
     "dns-packet": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/dns-packet/-/dns-packet-1.3.1.tgz",
-      "integrity": "sha512-0UxfQkMhYAUaZI+xrNZOz/as5KgDU0M/fQ9b6SpkyLbk3GEswDi6PADJVaYJradtRVsRIlF1zLyOodbcTCDzUg==",
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/dns-packet/-/dns-packet-1.3.4.tgz",
+      "integrity": "sha512-BQ6F4vycLXBvdrJZ6S3gZewt6rcrks9KBgM9vrhW+knGRqc8uEdT7fuCwloc7nny5xNoMJ17HGH0R/6fpo8ECA==",
       "requires": {
         "ip": "^1.1.0",
         "safe-buffer": "^5.0.1"
@@ -7745,6 +7754,12 @@
         }
       }
     },
+    "make-error": {
+      "version": "1.3.6",
+      "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.6.tgz",
+      "integrity": "sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==",
+      "dev": true
+    },
     "makeerror": {
       "version": "1.0.11",
       "resolved": "https://registry.npmjs.org/makeerror/-/makeerror-1.0.11.tgz",
@@ -12326,6 +12341,47 @@
         "punycode": "^2.1.0"
       }
     },
+    "ts-jest": {
+      "version": "24.3.0",
+      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-24.3.0.tgz",
+      "integrity": "sha512-Hb94C/+QRIgjVZlJyiWwouYUF+siNJHJHknyspaOcZ+OQAIdFG/UrdQVXw/0B8Z3No34xkUXZJpOTy9alOWdVQ==",
+      "dev": true,
+      "requires": {
+        "bs-logger": "0.x",
+        "buffer-from": "1.x",
+        "fast-json-stable-stringify": "2.x",
+        "json5": "2.x",
+        "lodash.memoize": "4.x",
+        "make-error": "1.x",
+        "mkdirp": "0.x",
+        "resolve": "1.x",
+        "semver": "^5.5",
+        "yargs-parser": "10.x"
+      },
+      "dependencies": {
+        "camelcase": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
+          "dev": true
+        },
+        "semver": {
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+          "dev": true
+        },
+        "yargs-parser": {
+          "version": "10.1.0",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-10.1.0.tgz",
+          "integrity": "sha512-VCIyR1wJoEBZUqk5PA+oOBF6ypbwh5aNB3I50guxAL/quggdfs4TtNHQrSazFA3fYZ+tEqfs0zIGlv0c/rgjbQ==",
+          "dev": true,
+          "requires": {
+            "camelcase": "^4.1.0"
+          }
+        }
+      }
+    },
     "ts-pnp": {
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/ts-pnp/-/ts-pnp-1.1.5.tgz",
diff --git a/yarn.lock b/yarn.lock
index 227d1ef..177a5f9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3433,9 +3433,9 @@ dns-equal@^1.0.0:
   integrity sha1-s55/HabrCnW6nBcySzR1PEfgZU0=
 
 dns-packet@^1.3.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/dns-packet/-/dns-packet-1.3.1.tgz#12aa426981075be500b910eedcd0b47dd7deda5a"
-  integrity sha512-0UxfQkMhYAUaZI+xrNZOz/as5KgDU0M/fQ9b6SpkyLbk3GEswDi6PADJVaYJradtRVsRIlF1zLyOodbcTCDzUg==
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/dns-packet/-/dns-packet-1.3.4.tgz#e3455065824a2507ba886c55a89963bb107dec6f"
+  integrity sha512-BQ6F4vycLXBvdrJZ6S3gZewt6rcrks9KBgM9vrhW+knGRqc8uEdT7fuCwloc7nny5xNoMJ17HGH0R/6fpo8ECA==
   dependencies:
     ip "^1.1.0"
     safe-buffer "^5.0.1"
@@ -8921,9 +8921,9 @@ safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
 safe-buffer@>=5.1.0, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.2.0:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
-  integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
 
 safe-regex@^1.1.0:
   version "1.1.0"