diff --git a/RELEASES.md b/RELEASES.md
index 3283a19..e5949d5 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -13,7 +13,7 @@
         - Copy the heatmap canvas in Clipboard. 
 
 <p align="center">
-    <img width=600 src="https://raw.githubusercontent.com/CEA-MetroCarac/spectroview/main/app/doc\figures_release_notes\heatmap_widget.png">
+    <img width=700 src="https://raw.githubusercontent.com/CEA-MetroCarac/spectroview/main/app/doc\figures_release_notes\heatmap_widget.png">
 </p>
 
 - **Optimization:**