diff --git a/Gemfile.lock b/Gemfile.lock
index 12b7295..be88de6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    bricolage (5.16.3)
+    bricolage (5.16.4)
       aws-sdk (~> 2)
       mysql2
       pg
@@ -11,12 +11,12 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    aws-sdk (2.2.35)
-      aws-sdk-resources (= 2.2.35)
-    aws-sdk-core (2.2.35)
+    aws-sdk (2.3.2)
+      aws-sdk-resources (= 2.3.2)
+    aws-sdk-core (2.3.2)
       jmespath (~> 1.0)
-    aws-sdk-resources (2.2.35)
-      aws-sdk-core (= 2.2.35)
+    aws-sdk-resources (2.3.2)
+      aws-sdk-core (= 2.3.2)
     coderay (1.1.0)
     fluent-logger (0.5.1)
       msgpack (>= 0.4.4, < 0.6.0, != 0.5.3, != 0.5.2, != 0.5.1, != 0.5.0)
diff --git a/RELEASE.md b/RELEASE.md
index dd5236d..5b550e9 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -1,5 +1,10 @@
 # Bricolage Release Note
 
+## version 5.16.4
+
+- [fix] Adds dependency to rake
+- [fix] my-import: Reduces warning log messages.
+
 ## version 5.16.3
 
 - [fix] streaming_load: Disables statupdate for log staging table, it is useless.
diff --git a/lib/bricolage/version.rb b/lib/bricolage/version.rb
index 8c57b92..c9b91c5 100644
--- a/lib/bricolage/version.rb
+++ b/lib/bricolage/version.rb
@@ -1,4 +1,4 @@
 module Bricolage
   APPLICATION_NAME = 'Bricolage'
-  VERSION = '5.16.3'
+  VERSION = '5.16.4'
 end
diff --git a/test/home/Gemfile.lock b/test/home/Gemfile.lock
index 43f0d87..b15b131 100644
--- a/test/home/Gemfile.lock
+++ b/test/home/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../..
   specs:
-    bricolage (5.16.3)
+    bricolage (5.16.4)
       aws-sdk (~> 2)
       mysql2
       pg
@@ -11,12 +11,12 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    aws-sdk (2.2.35)
-      aws-sdk-resources (= 2.2.35)
-    aws-sdk-core (2.2.35)
+    aws-sdk (2.3.2)
+      aws-sdk-resources (= 2.3.2)
+    aws-sdk-core (2.3.2)
       jmespath (~> 1.0)
-    aws-sdk-resources (2.2.35)
-      aws-sdk-core (= 2.2.35)
+    aws-sdk-resources (2.3.2)
+      aws-sdk-core (= 2.3.2)
     coderay (1.1.0)
     fluent-logger (0.5.1)
       msgpack (>= 0.4.4, < 0.6.0, != 0.5.3, != 0.5.2, != 0.5.1, != 0.5.0)