diff --git a/lib/json_web_token.rb b/lib/json_web_token.rb
index 4e8f76dd..5b5b52ba 100644
--- a/lib/json_web_token.rb
+++ b/lib/json_web_token.rb
@@ -8,6 +8,6 @@ module JsonWebToken
   end
 
   def decode(token)
-    JWT.decode(token, Rails.application.secret_key_base)[0]
+    JWT.decode(token, Rails.application.secret_key_base, true, algorithms: ['HS256'])[0]
   end
 end