diff --git a/package-lock.json b/package-lock.json
index 08a4a83..1de91f8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,19 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@kwsites/file-exists": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@kwsites/file-exists/-/file-exists-1.1.1.tgz",
+      "integrity": "sha512-m9/5YGR18lIwxSFDwfE3oA7bWuq9kdau6ugN4H2rJeyhFQZcG9AgSHkQtSD15a8WvTgfz9aikZMrKPHvbpqFiw==",
+      "requires": {
+        "debug": "^4.1.1"
+      }
+    },
+    "@kwsites/promise-deferred": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@kwsites/promise-deferred/-/promise-deferred-1.1.1.tgz",
+      "integrity": "sha512-GaHYm+c0O9MjZRu0ongGBRbinu8gVAMd2UZjji6jVmqKtZluZnptXGWhz1E8j8D2HJ3f/yMxKAUC0b+57wncIw=="
+    },
     "babel-runtime": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
@@ -19,11 +32,11 @@
       "integrity": "sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A=="
     },
     "debug": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
-      "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+      "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
       "requires": {
-        "ms": "^2.1.1"
+        "ms": "2.1.2"
       }
     },
     "moment": {
@@ -68,11 +81,13 @@
       "integrity": "sha512-9A+PDmgm+2du77B5i0Ip2cxOqqHjgNxnBgglxLcX78A2D6c2rTo61z4jnVABpF4cKeDMDG+cmXXvdnqse2VqMA=="
     },
     "simple-git": {
-      "version": "1.126.0",
-      "resolved": "https://registry.npmjs.org/simple-git/-/simple-git-1.126.0.tgz",
-      "integrity": "sha512-47mqHxgZnN8XRa9HbpWprzUv3Ooqz9RY/LSZgvA7jCkW8jcwLahMz7LKugY91KZehfG0sCVPtgXiU72hd6b1Bw==",
+      "version": "3.15.0",
+      "resolved": "https://registry.npmjs.org/simple-git/-/simple-git-3.15.0.tgz",
+      "integrity": "sha512-FiWoMPlcYHQ+ApRihUsGjC/ZmIlWj62S6MBCwOunczvXcLQt+9ZdrysDrR6QVepkRQfEAaBXrN2QtJKrN6zbtg==",
       "requires": {
-        "debug": "^4.0.1"
+        "@kwsites/file-exists": "^1.1.1",
+        "@kwsites/promise-deferred": "^1.1.1",
+        "debug": "^4.3.4"
       }
     }
   }
diff --git a/package.json b/package.json
index 822c85d..041d146 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,6 @@
   "dependencies": {
     "moment": "^2.24.0",
     "random": "^2.1.1",
-    "simple-git": "^1.126.0"
+    "simple-git": "^3.15.0"
   }
 }