diff --git a/config/config.exs b/config/config.exs
index d2bf6e6..dc60280 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -13,5 +13,6 @@ config :n2o,
 
 config :kvs,
   dba: :kvs_rocks,
+  mnesia_context: :sync_transaction,
   dba_st: :kvs_st,
   schema: [:kvs, :kvs_stream]
diff --git a/mix.exs b/mix.exs
index f95bf30..8cb486d 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,7 +4,7 @@ defmodule Sample.Mixfile do
   def project() do
     [
       app: :sample,
-      version: "6.6.7",
+      version: "6.9.1",
       description: "SAMPLE Elixir Application",
       package: package(),
       deps: deps()
@@ -25,7 +25,7 @@ defmodule Sample.Mixfile do
   def application() do
     [
       mod: {Sample.Application, []},
-      extra_applications: [:ranch, :mnesia, :xmerl, :cowboy, :rocksdb, :logger, :n2o, :kvs, :syn, :nitro]
+      extra_applications: [:ranch, :rocksdb, :mnesia, :xmerl, :cowboy, :logger, :n2o, :kvs, :syn, :nitro]
     ]
   end