diff --git a/package-lock.json b/package-lock.json
index 23ec9e4..f79f899 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,11 @@
 {
   "name": "mock-fs",
-  "version": "5.1.0",
+  "version": "5.1.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "version": "5.1.0",
+      "version": "5.1.1",
       "license": "MIT",
       "devDependencies": {
         "chai": "^4.3.4",
diff --git a/package.json b/package.json
index 45e4928..43b27a8 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "mock-fs",
   "description": "A configurable mock file system.  You know, for testing.",
-  "version": "5.1.0",
+  "version": "5.1.1",
   "main": "lib/index.js",
   "homepage": "https://github.com/tschaub/mock-fs",
   "author": {