diff --git a/Appraisals b/Appraisals
index 44a7190..4984df7 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,11 +1,11 @@
 appraise "rails_4_0" do
-  gem "rails", "~> 4.0.0"
+  gem "rails", "~> 4.0.13"
 end
 
 appraise "rails_4_1" do
-  gem "rails", "~> 4.1.0"
+  gem "rails", "~> 4.1.14"
 end
 
 appraise "rails_4_2" do
-  gem "rails", "~> 4.2.0"
+  gem "rails", "~> 4.2.5"
 end
\ No newline at end of file