diff --git a/History.md b/History.md
index cfd80ff6aea..7df838a038a 100644
--- a/History.md
+++ b/History.md
@@ -1,3 +1,8 @@
+4.12.6 / 2017-11-01
+===================
+ * fix(schema): make clone() copy query helpers correctly #5752
+ * fix: undeprecate `ensureIndex()` and use it by default #3280
+
 4.12.5 / 2017-10-29
 ===================
  * fix(query): correctly handle `$in` and required for $pull and update validators #5744
diff --git a/package.json b/package.json
index a0c5e67a96e..e3113f67125 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "mongoose",
   "description": "Mongoose MongoDB ODM",
-  "version": "4.12.6-pre",
+  "version": "4.12.6",
   "author": "Guillermo Rauch <guillermo@learnboost.com>",
   "keywords": [
     "mongodb",