diff --git a/.gitignore b/.gitignore
index 2f139fe..b2738a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 node_modules
 npm-debug.log
 package-lock.json
+yarn.lock
 
 # WebStorm user-specific
 .idea/workspace.xml
diff --git a/package.json b/package.json
index 1bae769..d74bd73 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   "dependencies": {
     "bluebird": "^3.7.2",
     "cesium": "^1.86.1",
-    "fs-extra": "^10.0.0",
+    "fs-extra": "^11.0.0",
     "jpeg-js": "^0.4.3",
     "mime": "^2.5.2",
     "pngjs": "^6.0.0",