diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50dedf2..b7d3448 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.1.1 (2016/2/20)
+
+* Fix overlapping migration timestamp [#17](https://github.com/sungwoncho/has_friendship/pull/17)
+
 ## 0.1.0 (2015/12/5)
 
 * Rails 4.x support (#11)
diff --git a/Gemfile.lock b/Gemfile.lock
index 036547a..7c5e3bf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    has_friendship (0.1.0)
+    has_friendship (0.1.1)
       rails (~> 4.0)
 
 GEM
@@ -46,6 +46,7 @@ GEM
     builder (3.2.2)
     byebug (8.2.1)
     coderay (1.1.0)
+    concurrent-ruby (1.0.0)
     coveralls (0.8.10)
       json (~> 1.8)
       rest-client (>= 1.6.8, < 2)
@@ -183,12 +184,13 @@ GEM
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.0)
     slop (3.6.0)
-    sprockets (3.4.1)
+    sprockets (3.5.2)
+      concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (2.3.3)
-      actionpack (>= 3.0)
-      activesupport (>= 3.0)
-      sprockets (>= 2.8, < 4.0)
+    sprockets-rails (3.0.1)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
     sqlite3 (1.3.11)
     sqlite3 (1.3.11-x64-mingw32)
     term-ansicolor (1.3.2)
diff --git a/lib/has_friendship/version.rb b/lib/has_friendship/version.rb
index 49fe91a..1bbc7cb 100644
--- a/lib/has_friendship/version.rb
+++ b/lib/has_friendship/version.rb
@@ -1,3 +1,3 @@
 module HasFriendship
-  VERSION = "0.1.0"
+  VERSION = "0.1.1"
 end