token_generator.rb.patch

diff --git a/lib/token_generator.rb b/lib/token_generator.rb
index 8481154..4fe7527 100644
--- a/lib/token_generator.rb
+++ b/lib/token_generator.rb
@@ -2,7 +2,6 @@
 
 module TokenGenerator
   def self.generate
-    random_text = ([Time.now.to_f] + (1..10).map{rand}).join('--')
-    ActiveSupport::Base64.encode64_url(Digest::SHA1.digest(random_text))
+    ActiveSupport::Base64.encode64_url(SecureRandom.random_bytes(32))
   end
-end
\ No newline at end of file
+end