diff --git a/src/main/riddl/ImprovingApp.conf b/src/main/riddl/ImprovingApp.conf
index e9af801d..95b1847a 100644
--- a/src/main/riddl/ImprovingApp.conf
+++ b/src/main/riddl/ImprovingApp.conf
@@ -5,9 +5,8 @@ command = hugo
 
 # This block provides options that are common to any command.
 common = {
-  show-times = true
   show-include-times = true
-  verbose = true
+  verbose = false
   quiet = false
   dry-run = false
   show-warnings = true
@@ -16,6 +15,7 @@ common = {
   show-usage-warnings = false
   debug = false
   group-by-message-kind = true
+  warnings-are-fatal = true
 }
 
 # This block provides options for the "hugo" command to translate riddl to a hugo web site.