diff --git a/library/packaging/svr4pkg b/library/packaging/svr4pkg
index 563952374d..73a141c61b 100644
--- a/library/packaging/svr4pkg
+++ b/library/packaging/svr4pkg
@@ -56,6 +56,7 @@ options:
   response_file:
     description:
       - Specifies the location of a response file to be used if package expects input on install. (added in Ansible 1.4)
+    required: false
 '''
 
 EXAMPLES = '''