diff --git a/package.json b/package.json
index 40f5352..f3ed3a6 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   },
   "dependencies": {
     "debug": "4.0.1",
-    "deepmerge": "2.2.0",
+    "deepmerge": "2.2.1",
     "is-text-path": "1.0.1",
     "mkdirp": "0.5.1",
     "to-vfile": "5.0.1",