diff --git a/content/u/advent-calendar/04/contents.lr b/content/u/advent-calendar/04/contents.lr
index 58cf90f..bf42953 100644
--- a/content/u/advent-calendar/04/contents.lr
+++ b/content/u/advent-calendar/04/contents.lr
@@ -22,7 +22,7 @@ headline2: 10% off
 ---
 headline3: Zero Carbon Cloud 100GB
 ---
-content1_image: zerocarbon-yes.jpg
+content1_image: security.jpg
 ---
 content1_text: 
 
diff --git a/content/u/advent-calendar/04/security.jpg b/content/u/advent-calendar/04/security.jpg
new file mode 100644
index 0000000..fcc788d
Binary files /dev/null and b/content/u/advent-calendar/04/security.jpg differ