diff --git a/lib/pkgcloud/azure/utils/constants.js b/lib/pkgcloud/azure/utils/constants.js
index 752a205fa..a0b54eede 100644
--- a/lib/pkgcloud/azure/utils/constants.js
+++ b/lib/pkgcloud/azure/utils/constants.js
@@ -2045,7 +2045,7 @@ var Constants = {
     * @const
     * @type {string}
     */
-    TARGET_STORAGE_VERSION: '2011-08-18',
+    TARGET_STORAGE_VERSION: '2015-12-11',
 
     /**
     * The UserAgent header.
@@ -2559,4 +2559,4 @@ var Constants = {
   }
 };
 
-module.exports = Constants;
\ No newline at end of file
+module.exports = Constants;
diff --git a/lib/pkgcloud/azure/utils/sharedkey.js b/lib/pkgcloud/azure/utils/sharedkey.js
index 0f795d37f..29327986d 100644
--- a/lib/pkgcloud/azure/utils/sharedkey.js
+++ b/lib/pkgcloud/azure/utils/sharedkey.js
@@ -53,7 +53,7 @@ SharedKey.prototype.signRequest = function (req) {
   req.headers['x-ms-version'] = HeaderConstants.TARGET_STORAGE_VERSION;
 
   if (!req.headers[HeaderConstants.CONTENT_LENGTH]) {
-    req.headers[HeaderConstants.CONTENT_LENGTH] = '0';
+    req.headers[HeaderConstants.CONTENT_LENGTH] = '1';
   }
 
   var stringToSign =