diff --git a/src/public/index.html b/src/public/index.html
index edd7618..5ea606b 100644
--- a/src/public/index.html
+++ b/src/public/index.html
@@ -2770,7 +2770,7 @@
                         neighbourNodeMarker.getLatLng(),
                     ], {
                         color: '#2563eb',
-                        opacity: 0.5,
+                        opacity: 0.75,
                         offset: polylineOffset,
                     }).addTo(neighboursLayerGroup);