diff --git a/Appraisals b/Appraisals
index 9bee1fc..9e3e761 100644
--- a/Appraisals
+++ b/Appraisals
@@ -8,7 +8,7 @@ appraise "rails-3-0" do
   gem "reek", "~> 2.0" # for Ruby < 2.0
   gem "tins", "~> 1.6.0" # for Ruby < 2.0
   gem "json", "~> 1.8.3"
-  gem "rake", "~> 11.2.2"
+  gem "rake", "~> 10.0"
   gem "rest-client", "~> 1.8.0"
 end
 appraise "rails-3-1" do
@@ -17,7 +17,7 @@ appraise "rails-3-1" do
   gem "reek", "~> 2.0" # for Ruby < 2.0
   gem "tins", "~> 1.6.0" # for Ruby < 2.0
   gem "json", "~> 1.8.3"
-  gem "rake", "~> 11.2.2"
+  gem "rake", "~> 10.0"
   gem "rest-client", "~> 1.8.0"
 end
 appraise "rails-3-2" do
@@ -26,7 +26,7 @@ appraise "rails-3-2" do
   # reek >= 4.0 requires Ruby 2.1 minimum
   gem "reek", "~>3.11.0"
   gem "json", "~> 1.8.3"
-  gem "rake", "~> 11.2.2"
+  gem "rake", "~> 10.0"
 end
 
 # Compat: Ruby >= 1.9.3
diff --git a/Gemfile.lock b/Gemfile.lock
index e1104c3..f03aba1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -320,8 +320,8 @@ DEPENDENCIES
   json (>= 1.7.7)
   kettle-soup-cover (~> 1.0, >= 1.0.2)
   railties (~> 7.1.3.2)
-  rake (>= 12)
-  rdoc (>= 6.1.2.1)
+  rake (>= 0.8.7)
+  rdoc (>= 3)
   reek (~> 6.3)
   rspec (>= 3)
   rspec-block_is_expected (~> 1.0, >= 1.0.5)
diff --git a/sanitize_email.gemspec b/sanitize_email.gemspec
index 986f1b2..02c0d9a 100644
--- a/sanitize_email.gemspec
+++ b/sanitize_email.gemspec
@@ -58,8 +58,8 @@ Gem::Specification.new do |spec|
   # Development Dependencies
   spec.add_development_dependency("appraisal", "~> 2.5")
   spec.add_development_dependency("json", ">= 1.7.7") # Support Rails 4.x
-  spec.add_development_dependency("rake", ">= 12")
-  spec.add_development_dependency("rdoc", ">= 6.1.2.1") # Ruby >= 2.2.2
+  spec.add_development_dependency("rake", ">= 0.8.7")
+  spec.add_development_dependency("rdoc", ">= 3")
   spec.add_development_dependency("rspec", ">= 3")
   spec.add_development_dependency("rspec-block_is_expected", "~> 1.0", ">= 1.0.5")
   spec.add_development_dependency("rspec-pending_for", "~> 0.1", ">= 0.1.16")