diff --git a/CHANGELOG.md b/CHANGELOG.md
index f90a3d6..3ca2e69 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+2.1.0
+-----
+
+- Mount Router by default, not need config now.
+- Default use [:file_store, 'tmp/cache/rucaptcha/session'] as RuCaptcha.config.cache_store, now it can work without any configurations.
+
+> NOTE: But you still need care about `config.cache_store` to setup on a right way.
+
 2.0.3
 -----
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 2e53d78..421a5b3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    rucaptcha (2.0.3)
+    rucaptcha (2.1.0)
       railties (>= 3.2)
 
 GEM
@@ -142,4 +142,4 @@ DEPENDENCIES
   rucaptcha!
 
 BUNDLED WITH
-   1.13.7
+   1.14.5
diff --git a/lib/rucaptcha/version.rb b/lib/rucaptcha/version.rb
index 24b24ef..e6c2edb 100644
--- a/lib/rucaptcha/version.rb
+++ b/lib/rucaptcha/version.rb
@@ -1,3 +1,3 @@
 module RuCaptcha
-  VERSION = '2.0.3'
+  VERSION = '2.1.0'
 end