diff --git a/lib/cli.js b/lib/cli.js
index 0b34bf14..c2dfa36d 100644
--- a/lib/cli.js
+++ b/lib/cli.js
@@ -7,6 +7,13 @@ const deps = require("./cmd-deps");
 const log = require("./logger");
 require("pkginfo")(module);
 
+// update-notifier
+if (process.env.NODE_ENV != "test") {
+  const updateNotifier = require("update-notifier");
+  const pkg = require("../package.json");
+  updateNotifier({ pkg }).notify();
+}
+
 program
   .version(module.exports.version)
   .option("-c, --chdir <path>", "change the working directory")
diff --git a/package-lock.json b/package-lock.json
index ab062800..d3cd9fe4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -356,11 +356,23 @@
         "read-pkg-up": "^7.0.0"
       }
     },
+    "@sindresorhus/is": {
+      "version": "0.14.0",
+      "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-0.14.0.tgz",
+      "integrity": "sha512-9NET910DNaIPngYnLLPeg+Ogzqsi9uM4mSboU5y6p8S5DzMTVEsJZrawi+BoDNUVBa2DhJqQYUFvMDfgU062LQ=="
+    },
+    "@szmarczak/http-timer": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@szmarczak/http-timer/-/http-timer-1.1.2.tgz",
+      "integrity": "sha512-XIB2XbzHTN6ieIjfIMV9hlVcfPU26s2vafYWQcZHWXHOxiaRZYEDKEwdl129Zyg50+foYV2jCgtrqSA6qNuNSA==",
+      "requires": {
+        "defer-to-connect": "^1.0.1"
+      }
+    },
     "@types/color-name": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
-      "integrity": "sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==",
-      "dev": true
+      "integrity": "sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ=="
     },
     "@types/events": {
       "version": "3.0.0",
@@ -474,6 +486,36 @@
         "uri-js": "^4.2.2"
       }
     },
+    "ansi-align": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/ansi-align/-/ansi-align-3.0.0.tgz",
+      "integrity": "sha512-ZpClVKqXN3RGBmKibdfWzqCY4lnjEuoNzU5T0oEFpfd/z5qJHVarukridD4juLO2FXMiwUQxr9WqQtaYa8XRYw==",
+      "requires": {
+        "string-width": "^3.0.0"
+      },
+      "dependencies": {
+        "emoji-regex": {
+          "version": "7.0.3",
+          "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
+          "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA=="
+        },
+        "is-fullwidth-code-point": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8="
+        },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        }
+      }
+    },
     "ansi-colors": {
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-3.2.3.tgz",
@@ -492,8 +534,7 @@
     "ansi-regex": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.0.tgz",
-      "integrity": "sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg==",
-      "dev": true
+      "integrity": "sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg=="
     },
     "ansi-styles": {
       "version": "3.2.1",
@@ -603,6 +644,67 @@
       "integrity": "sha512-VHiNCbI1lKdl44tGrhNfU3lup0Tj/ZBMJB5/2ZbNXRCPuRCO7ed2mgcK4r17y+KB2EfuYuRaVlwNbAeaWGSpbw==",
       "dev": true
     },
+    "boxen": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/boxen/-/boxen-4.2.0.tgz",
+      "integrity": "sha512-eB4uT9RGzg2odpER62bBwSLvUeGC+WbRjjyyFhGsKnc8wp/m0+hQsMUvUe3H2V0D5vw0nBdO1hCJoZo5mKeuIQ==",
+      "requires": {
+        "ansi-align": "^3.0.0",
+        "camelcase": "^5.3.1",
+        "chalk": "^3.0.0",
+        "cli-boxes": "^2.2.0",
+        "string-width": "^4.1.0",
+        "term-size": "^2.1.0",
+        "type-fest": "^0.8.1",
+        "widest-line": "^3.1.0"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "4.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz",
+          "integrity": "sha512-9VGjrMsG1vePxcSweQsN20KY/c4zN0h9fLjqAbwbPfahM3t+NL+M9HC8xeXG2I8pX5NoamTGNuomEUFI7fcUjA==",
+          "requires": {
+            "@types/color-name": "^1.1.1",
+            "color-convert": "^2.0.1"
+          }
+        },
+        "chalk": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-3.0.0.tgz",
+          "integrity": "sha512-4D3B6Wf41KOYRFdszmDqMCGq5VV/uMAB273JILmO+3jAlh8X4qDtdtgCR3fxtbLEMzSx22QdhnDcJvu2u1fVwg==",
+          "requires": {
+            "ansi-styles": "^4.1.0",
+            "supports-color": "^7.1.0"
+          }
+        },
+        "color-convert": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+          "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+          "requires": {
+            "color-name": "~1.1.4"
+          }
+        },
+        "color-name": {
+          "version": "1.1.4",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+          "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
+        },
+        "has-flag": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
+          "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ=="
+        },
+        "supports-color": {
+          "version": "7.1.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.1.0.tgz",
+          "integrity": "sha512-oRSIpR8pxT1Wr2FquTNnGet79b3BWljqOuoW/h4oBhxJ/HUbX5nX6JSruTkvXDCFMwDPvsaTTbvMLKZWSy0R5g==",
+          "requires": {
+            "has-flag": "^4.0.0"
+          }
+        }
+      }
+    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -633,6 +735,27 @@
       "integrity": "sha1-M3dm2hWAEhD92VbCLpxokaudAzc=",
       "dev": true
     },
+    "cacheable-request": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/cacheable-request/-/cacheable-request-6.1.0.tgz",
+      "integrity": "sha512-Oj3cAGPCqOZX7Rz64Uny2GYAZNliQSqfbePrgAQ1wKAihYmCUnraBtJtKcGR4xz7wF+LoJC+ssFZvv5BgF9Igg==",
+      "requires": {
+        "clone-response": "^1.0.2",
+        "get-stream": "^5.1.0",
+        "http-cache-semantics": "^4.0.0",
+        "keyv": "^3.0.0",
+        "lowercase-keys": "^2.0.0",
+        "normalize-url": "^4.1.0",
+        "responselike": "^1.0.2"
+      },
+      "dependencies": {
+        "lowercase-keys": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/lowercase-keys/-/lowercase-keys-2.0.0.tgz",
+          "integrity": "sha512-tqNXrS78oMOE73NMxK4EMLQsQowWf8jKooH9g7xPavRT706R6bkQJ6DY2Te7QukaZsulxa30wQ7bk0pm4XiHmA=="
+        }
+      }
+    },
     "callsites": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -642,8 +765,7 @@
     "camelcase": {
       "version": "5.3.1",
       "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
-      "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==",
-      "dev": true
+      "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg=="
     },
     "camelcase-keys": {
       "version": "4.2.0",
@@ -711,12 +833,22 @@
       "integrity": "sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=",
       "dev": true
     },
+    "ci-info": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-2.0.0.tgz",
+      "integrity": "sha512-5tK7EtrZ0N+OLFMthtqOj4fI2Jeb88C4CAZPu25LDVUgXJ0A3Js4PMGqrn0JU1W0Mh1/Z8wZzYPxqUrXeBboCQ=="
+    },
     "clean-stack": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/clean-stack/-/clean-stack-2.2.0.tgz",
       "integrity": "sha512-4diC9HaTE+KRAMWhDhrGOECgWZxoevMc5TlkObMqNSsVU62PYzXZ/SMTjzyGAFF1YusgxGcSWTEXBhp0CPwQ1A==",
       "dev": true
     },
+    "cli-boxes": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/cli-boxes/-/cli-boxes-2.2.0.tgz",
+      "integrity": "sha512-gpaBrMAizVEANOpfZp/EEUixTXDyGt7DFzdK5hU+UbWt/J0lB0w20ncZj59Z9a93xHb9u12zF5BS6i9RKbtg4w=="
+    },
     "cli-cursor": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-3.1.0.tgz",
@@ -776,6 +908,14 @@
         }
       }
     },
+    "clone-response": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/clone-response/-/clone-response-1.0.2.tgz",
+      "integrity": "sha1-0dyXOSAxTfZ/vrlCI7TuNQI56Ws=",
+      "requires": {
+        "mimic-response": "^1.0.0"
+      }
+    },
     "color-convert": {
       "version": "1.9.3",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
@@ -829,6 +969,47 @@
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
     },
+    "configstore": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/configstore/-/configstore-5.0.0.tgz",
+      "integrity": "sha512-eE/hvMs7qw7DlcB5JPRnthmrITuHMmACUJAp89v6PT6iOqzoLS7HRWhBtuHMlhNHo2AhUSA/3Dh1bKNJHcublQ==",
+      "requires": {
+        "dot-prop": "^5.1.0",
+        "graceful-fs": "^4.1.2",
+        "make-dir": "^3.0.0",
+        "unique-string": "^2.0.0",
+        "write-file-atomic": "^3.0.0",
+        "xdg-basedir": "^4.0.0"
+      },
+      "dependencies": {
+        "crypto-random-string": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/crypto-random-string/-/crypto-random-string-2.0.0.tgz",
+          "integrity": "sha512-v1plID3y9r/lPhviJ1wrXpLeyUIGAZ2SHNYTEapm7/8A9nLPoyvVp3RK/EPFqn5kEznyWgYZNsRtYYIWbuG8KA=="
+        },
+        "dot-prop": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/dot-prop/-/dot-prop-5.2.0.tgz",
+          "integrity": "sha512-uEUyaDKoSQ1M4Oq8l45hSE26SnTxL6snNnqvK/VWx5wJhmff5z0FUVJDKDanor/6w3kzE3i7XZOk+7wC0EXr1A==",
+          "requires": {
+            "is-obj": "^2.0.0"
+          }
+        },
+        "is-obj": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-obj/-/is-obj-2.0.0.tgz",
+          "integrity": "sha512-drqDG3cbczxxEJRoOXcOjtdp1J/lyp1mNn0xaznRs8+muBhgQcrnbspox5X5fOw0HnMnbfDzvnEMEtqDEJEo8w=="
+        },
+        "unique-string": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/unique-string/-/unique-string-2.0.0.tgz",
+          "integrity": "sha512-uNaeirEPvpZWSgzwsPGtU2zVSTrn/8L5q/IexZmH0eH6SA73CmAA5U4GwORTxQAZs95TAXLNqeLoPPNO5gZfWg==",
+          "requires": {
+            "crypto-random-string": "^2.0.0"
+          }
+        }
+      }
+    },
     "conventional-changelog-angular": {
       "version": "5.0.6",
       "resolved": "https://registry.npmjs.org/conventional-changelog-angular/-/conventional-changelog-angular-5.0.6.tgz",
@@ -993,6 +1174,14 @@
         }
       }
     },
+    "decompress-response": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-3.3.0.tgz",
+      "integrity": "sha1-gKTdMjdIOEv6JICDYirt7Jgq3/M=",
+      "requires": {
+        "mimic-response": "^1.0.0"
+      }
+    },
     "deep-eql": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-3.0.1.tgz",
@@ -1005,8 +1194,7 @@
     "deep-extend": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
-      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==",
-      "dev": true
+      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA=="
     },
     "deep-is": {
       "version": "0.1.3",
@@ -1014,6 +1202,11 @@
       "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
       "dev": true
     },
+    "defer-to-connect": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/defer-to-connect/-/defer-to-connect-1.1.1.tgz",
+      "integrity": "sha512-J7thop4u3mRTkYRQ+Vpfwy2G5Ehoy82I14+14W4YMDLKdWloI9gSzRbV30s/NckQGVJtPkWNcW4oMAUigTdqiQ=="
+    },
     "define-properties": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/define-properties/-/define-properties-1.1.3.tgz",
@@ -1108,17 +1301,20 @@
         }
       }
     },
+    "duplexer3": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/duplexer3/-/duplexer3-0.1.4.tgz",
+      "integrity": "sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI="
+    },
     "emoji-regex": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
-      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==",
-      "dev": true
+      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A=="
     },
     "end-of-stream": {
       "version": "1.4.4",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
       "integrity": "sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==",
-      "dev": true,
       "requires": {
         "once": "^1.4.0"
       }
@@ -1691,7 +1887,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-5.1.0.tgz",
       "integrity": "sha512-EXr1FOzrzTfGeL0gQdeFEvOMm2mzMOglyiOXSTpPC+iAjAKftbr3jpCMWynogwYnM+eSj9sHGc6wjIcDvYiygw==",
-      "dev": true,
       "requires": {
         "pump": "^3.0.0"
       }
@@ -1783,6 +1978,14 @@
         "is-glob": "^4.0.1"
       }
     },
+    "global-dirs": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/global-dirs/-/global-dirs-2.0.1.tgz",
+      "integrity": "sha512-5HqUqdhkEovj2Of/ms3IeS/EekcO54ytHRLV4PEY2rhRwrHXLQjeVEES0Lhka0xwNDtGYn58wyC4s5+MHsOO6A==",
+      "requires": {
+        "ini": "^1.3.5"
+      }
+    },
     "globals": {
       "version": "11.12.0",
       "resolved": "https://registry.npmjs.org/globals/-/globals-11.12.0.tgz",
@@ -1813,6 +2016,34 @@
         }
       }
     },
+    "got": {
+      "version": "9.6.0",
+      "resolved": "https://registry.npmjs.org/got/-/got-9.6.0.tgz",
+      "integrity": "sha512-R7eWptXuGYxwijs0eV+v3o6+XH1IqVK8dJOEecQfTmkncw9AV4dcw/Dhxi8MdlqPthxxpZyizMzyg8RTmEsG+Q==",
+      "requires": {
+        "@sindresorhus/is": "^0.14.0",
+        "@szmarczak/http-timer": "^1.1.2",
+        "cacheable-request": "^6.0.0",
+        "decompress-response": "^3.3.0",
+        "duplexer3": "^0.1.4",
+        "get-stream": "^4.1.0",
+        "lowercase-keys": "^1.0.1",
+        "mimic-response": "^1.0.1",
+        "p-cancelable": "^1.0.0",
+        "to-readable-stream": "^1.0.0",
+        "url-parse-lax": "^3.0.0"
+      },
+      "dependencies": {
+        "get-stream": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
+          "integrity": "sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==",
+          "requires": {
+            "pump": "^3.0.0"
+          }
+        }
+      }
+    },
     "graceful-fs": {
       "version": "4.2.3",
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@@ -1865,6 +2096,11 @@
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+      "resolved": "https://registry.npmjs.org/update-notifier/-/update-notifier-4.0.0.tgz",
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+        "is-installed-globally": "^0.3.1",
+        "is-npm": "^4.0.0",
+        "is-yarn-global": "^0.3.0",
+        "latest-version": "^5.0.0",
+        "semver-diff": "^3.1.1",
+        "xdg-basedir": "^4.0.0"
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+        "color-convert": {
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+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
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+        "color-name": {
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+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
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+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
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+        "supports-color": {
+          "version": "7.1.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.1.0.tgz",
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       "dev": true
     },
+    "url-parse-lax": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/url-parse-lax/-/url-parse-lax-3.0.0.tgz",
+      "integrity": "sha1-FrXK/Afb42dsGxmZF3gj1lA6yww=",
+      "requires": {
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@@ -7901,6 +8344,14 @@
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+      "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-3.1.0.tgz",
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@@ -8068,6 +8519,22 @@
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+    "write-file-atomic": {
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+      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-3.0.1.tgz",
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+        "signal-exit": "^3.0.2",
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+    "xdg-basedir": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-4.0.0.tgz",
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diff --git a/package.json b/package.json
index 0d596540..9439c110 100644
--- a/package.json
+++ b/package.json
@@ -49,6 +49,7 @@
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     "loglevel-plugin-prefix": "^0.8.4",
     "pkginfo": "^0.4.1",
-    "superagent": "^5.1.1"
+    "superagent": "^5.1.1",
+    "update-notifier": "^4.0.0"
   }
 }