diff --git a/package.json b/package.json
index 94ebecfa79fcfd125bc92f5956b323c1050d7c7f..5444dd8f9aa272b04d12783fe6db0ba23e503241 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "leverjs",
-  "version": "1.2.6",
+  "version": "1.2.7",
   "min_db_version": "1.2.0",
   "description": "live cell & organelle image analysis",
   "main": "elever/main.js",
diff --git a/readme.md b/readme.md
index a0682e0b5dc4a1b8cf2b3548f4f41ce01eabb609..99a8df8ed6e65818f7cd76a2e60be21162ffcb87 100644
--- a/readme.md
+++ b/readme.md
@@ -57,7 +57,7 @@ Finally, (sort of optionally, you really will want this) **install the matlab 20
 ```     
 5. on windows, install windows-build-tools package.  start a powershell prompt as administrator, and run
 ```
-npm install --global windows-build-tools
+npm install --global windows-build-tools --vs2015
 ```
 after this completes (it takes a while) close the powershell prompt.