diff --git a/package-lock.json b/package-lock.json
index 6d1dbaaf..3f2b4570 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2375,12 +2375,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2395,17 +2397,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2522,7 +2527,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -2534,6 +2540,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2548,6 +2555,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -2555,12 +2563,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -2579,6 +2589,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2659,7 +2670,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2671,6 +2683,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2792,6 +2805,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -3457,6 +3471,14 @@
         "spdx-correct": "^3.0.0",
         "spdx-satisfies": "^4.0.0",
         "strip-json-comments": "^2.0.1"
+      },
+      "dependencies": {
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
+          "dev": true
+        }
       }
     },
     "js-string-escape": {
@@ -3568,6 +3590,13 @@
         "parse-json": "^4.0.0",
         "pify": "^3.0.0",
         "strip-bom": "^3.0.0"
+      },
+      "dependencies": {
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
+        }
       }
     },
     "locate-path": {
@@ -3670,6 +3699,13 @@
       "integrity": "sha512-2w31R7SJtieJJnQtGc7RVL2StM2vGYVfqUOvUDxH6bC6aJTxPxTF0GnIgCyu7tjockiUWAYQRbxa7vKn34s5sQ==",
       "requires": {
         "pify": "^3.0.0"
+      },
+      "dependencies": {
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
+        }
       }
     },
     "map-obj": {
@@ -3924,6 +3960,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -4866,7 +4903,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "lru-cache": {
           "version": "4.1.3",
@@ -6139,6 +6177,13 @@
       "integrity": "sha512-T2ZUsdZFHgA3u4e5PfPbjd7HDDpxPnQb5jN0SrDsjNSuVXHJqtwTnWqG0B1jZrgmJ/7lj1EmVIByWt1gxGkWvg==",
       "requires": {
         "pify": "^3.0.0"
+      },
+      "dependencies": {
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
+        }
       }
     },
     "performance-now": {
@@ -6148,9 +6193,9 @@
       "dev": true
     },
     "pify": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
-      "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.0.tgz",
+      "integrity": "sha512-zrSP/KDf9DH3K3VePONoCstgPiYJy9z0SCatZuTpOc7YdnWIqwkWdXOuwlr4uDc7em8QZRsFWsT/685x5InjYg=="
     },
     "pinkie": {
       "version": "1.0.0",
@@ -7103,6 +7148,12 @@
           "resolved": "https://registry.npmjs.org/detect-indent/-/detect-indent-5.0.0.tgz",
           "integrity": "sha1-OHHMCmoALow+Wzz38zYmRnXwa50=",
           "dev": true
+        },
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
+          "dev": true
         }
       }
     },
diff --git a/package.json b/package.json
index c3a5dcd3..86a793ab 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "entities": "^1.1.1",
     "inquirer": "^6.0.0",
     "meow": "^5.0.0",
-    "pify": "^3.0.0",
+    "pify": "^4.0.0",
     "rimraf": "^2.6.2",
     "tslint": "^5.9.1",
     "update-notifier": "^2.5.0",