diff --git a/bin/warden-hmac-authentication b/bin/warden-hmac-authentication
index 08ca07d..bcf0284 100755
--- a/bin/warden-hmac-authentication
+++ b/bin/warden-hmac-authentication
@@ -1,6 +1,20 @@
 #!/usr/bin/env ruby
 
-require 'trollop'
+begin
+  require 'trollop'
+rescue LoadError => e
+  puts ""
+  puts ""
+  puts "============= ERROR ================"
+  puts ""
+  puts "You need trollop installed or in your gemfile to use the signer"
+  puts ""
+  puts "============= ERROR ================"
+  puts ""
+  puts ""
+  exit(-1)
+end
+
 require 'hmac/signer'
 
 opts = Trollop::options do
diff --git a/warden-hmac-authentication.gemspec b/warden-hmac-authentication.gemspec
index b73684d..2a2756d 100644
--- a/warden-hmac-authentication.gemspec
+++ b/warden-hmac-authentication.gemspec
@@ -25,7 +25,6 @@ Gem::Specification.new do |s|
   
   s.add_runtime_dependency(%q<addressable>)
   s.add_runtime_dependency(%q<rack>)
-  s.add_runtime_dependency(%q<trollop>)
   s.add_runtime_dependency(%q<warden>)
   
   s.add_development_dependency(%q<rake>)
@@ -34,4 +33,5 @@ Gem::Specification.new do |s|
   s.add_development_dependency(%q<timecop>)
   s.add_development_dependency(%q<simplecov>)
   s.add_development_dependency(%q<simplecov-html>)
+  s.add_development_dependency(%q<trollop>)
 end
\ No newline at end of file