diff --git a/package-lock.json b/package-lock.json
index b55731403..2c9221ccb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@knight-lab/timelinejs",
-  "version": "3.8.17",
+  "version": "3.8.18",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1999,12 +1999,12 @@
       },
       "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==",
           "dev": true,
           "requires": {
-            "ms": "^2.1.1"
+            "ms": "2.1.2"
           }
         },
         "ms": {
@@ -2015,6 +2015,12 @@
         }
       }
     },
+    "@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==",
+      "dev": true
+    },
     "@nicolo-ribaudo/chokidar-2": {
       "version": "2.1.8-no-fsevents",
       "resolved": "https://registry.npmjs.org/@nicolo-ribaudo/chokidar-2/-/chokidar-2-2.1.8-no-fsevents.tgz",
@@ -5769,7 +5775,8 @@
         },
         "ini": {
           "version": "1.3.5",
-          "resolved": "",
+          "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.5.tgz",
+          "integrity": "sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==",
           "dev": true,
           "optional": true
         },
@@ -11711,22 +11718,23 @@
       "dev": true
     },
     "simple-git": {
-      "version": "2.7.2",
-      "resolved": "https://registry.npmjs.org/simple-git/-/simple-git-2.7.2.tgz",
-      "integrity": "sha512-SXsUw80Fppq72JI+QhfKY5d4sk8WQ2CppAcjp559OInjxYZzco7L9scsd5NwForcaQSCstNh7tsW6NnrGYfdgg==",
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/simple-git/-/simple-git-3.5.0.tgz",
+      "integrity": "sha512-fZsaq5nzdxQRhMNs6ESGLpMUHoL5GRP+boWPhq9pMYMKwOGZV2jHOxi8AbFFA2Y/6u4kR99HoULizSbpzaODkA==",
       "dev": true,
       "requires": {
         "@kwsites/file-exists": "^1.1.1",
-        "debug": "^4.1.1"
+        "@kwsites/promise-deferred": "^1.1.1",
+        "debug": "^4.3.3"
       },
       "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==",
           "dev": true,
           "requires": {
-            "ms": "^2.1.1"
+            "ms": "2.1.2"
           }
         },
         "ms": {
diff --git a/package.json b/package.json
index e26565f1e..becff93ab 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
         "mini-css-extract-plugin": "^0.9.0",
         "npm-run-all": "^4.1.5",
         "prompt": "^1.0.0",
-        "simple-git": "^2.7.2",
+        "simple-git": "^3.5.0",
         "style-loader": "^1.2.1",
         "trash-cli": "^3.0.0",
         "webpack": "^4.43.0",