diff --git a/package-lock.json b/package-lock.json
index c846dc534e..67d3972356 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "mocha",
-  "version": "5.1.0",
+  "version": "5.1.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 38a7bc3c42..236ca174ad 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mocha",
-  "version": "5.1.0",
+  "version": "5.1.1",
   "description": "simple, flexible, fun test framework",
   "keywords": [
     "mocha",