diff --git a/script/package-lock.json b/script/package-lock.json
index bbd1ab804bf..fd029e132d3 100644
--- a/script/package-lock.json
+++ b/script/package-lock.json
@@ -331,11 +331,11 @@
       },
       "dependencies": {
         "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"
           }
         },
         "ms": {
@@ -11242,21 +11242,21 @@
       }
     },
     "simple-git": {
-      "version": "2.11.0",
-      "resolved": "https://registry.npmjs.org/simple-git/-/simple-git-2.11.0.tgz",
-      "integrity": "sha512-wFePCEQYY6BzVOg/BuUVEhr3jZPF/cPG/BN2UXgax6NHc3bJ9UrDc5AME281gs2C7J1UZ6BGRJYT64khx9T+ng==",
+      "version": "3.16.0",
+      "resolved": "https://registry.npmjs.org/simple-git/-/simple-git-3.16.0.tgz",
+      "integrity": "sha512-zuWYsOLEhbJRWVxpjdiXl6eyAyGo/KzVW+KFhhw9MqEEJttcq+32jTWSGyxTdf9e/YCohxRE+9xpWFj9FdiJNw==",
       "requires": {
         "@kwsites/file-exists": "^1.1.1",
-        "@kwsites/promise-deferred": "^1.0.1",
-        "debug": "^4.1.1"
+        "@kwsites/promise-deferred": "^1.1.1",
+        "debug": "^4.3.4"
       },
       "dependencies": {
         "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"
           }
         },
         "ms": {
diff --git a/script/package.json b/script/package.json
index 9f7e0312981..23420704364 100644
--- a/script/package.json
+++ b/script/package.json
@@ -45,7 +45,7 @@
     "random-seed": "^0.3.0",
     "season": "5.3.0",
     "semver": "5.3.0",
-    "simple-git": "^2.7.0",
+    "simple-git": "^3.16.0",
     "stylelint": "^9.0.0",
     "stylelint-config-standard": "^18.1.0",
     "sync-request": "3.0.1",