diff --git a/preferences.xml b/preferences.xml
index ebb6c2337..37972153d 100644
--- a/preferences.xml
+++ b/preferences.xml
@@ -41,7 +41,7 @@ Started September 2000 by David Megginson, david@megginson.com
1.0
- 50.0
+ 55.0
Aircraft/c172/Panels/c172-vfr-panel.xml