diff --git a/CHANGELOG.md b/CHANGELOG.md
index ce9fa9b..71756a5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+2.1.2
+-----
+
+- Do not change captcha when `HEAD /rucaptcha`.
+
 2.1.1
 -----
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 30426f5..29d5f07 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    rucaptcha (2.1.1)
+    rucaptcha (2.1.2)
       railties (>= 3.2)
 
 GEM
diff --git a/lib/rucaptcha/version.rb b/lib/rucaptcha/version.rb
index 16e91d9..4013b7f 100644
--- a/lib/rucaptcha/version.rb
+++ b/lib/rucaptcha/version.rb
@@ -1,3 +1,3 @@
 module RuCaptcha
-  VERSION = '2.1.1'
+  VERSION = '2.1.2'
 end