diff --git a/samples/react/funnel/funnel.html b/samples/react/funnel/funnel.html
index 7e7eafc4a..031637273 100644
--- a/samples/react/funnel/funnel.html
+++ b/samples/react/funnel/funnel.html
@@ -81,6 +81,9 @@
               chart: {
                 type: 'bar',
                 height: 350,
+                dropShadow: {
+                  enabled: true,
+                },
               },
               plotOptions: {
                 bar: {
diff --git a/samples/react/funnel/pyramid.html b/samples/react/funnel/pyramid.html
index 519f31b54..b85449a16 100644
--- a/samples/react/funnel/pyramid.html
+++ b/samples/react/funnel/pyramid.html
@@ -81,6 +81,9 @@
               chart: {
                 type: 'bar',
                 height: 350,
+                dropShadow: {
+                  enabled: true,
+                },
               },
               plotOptions: {
                 bar: {
diff --git a/samples/source/funnel/funnel.xml b/samples/source/funnel/funnel.xml
index b24c5825e..ff8a0bb93 100644
--- a/samples/source/funnel/funnel.xml
+++ b/samples/source/funnel/funnel.xml
@@ -5,6 +5,9 @@
 chart: {
   type: 'bar',
   height: 350,
+  dropShadow: {
+    enabled: true,
+  },
 },
 plotOptions: {
   bar: {
diff --git a/samples/source/funnel/pyramid.xml b/samples/source/funnel/pyramid.xml
index bfb1f1d9f..5a3a66414 100644
--- a/samples/source/funnel/pyramid.xml
+++ b/samples/source/funnel/pyramid.xml
@@ -5,6 +5,9 @@
 chart: {
   type: 'bar',
   height: 350,
+  dropShadow: {
+    enabled: true,
+  },
 },
 plotOptions: {
   bar: {
diff --git a/samples/vanilla-js/funnel/funnel.html b/samples/vanilla-js/funnel/funnel.html
index 43aaea9c1..fadd4b87f 100644
--- a/samples/vanilla-js/funnel/funnel.html
+++ b/samples/vanilla-js/funnel/funnel.html
@@ -64,6 +64,9 @@
           chart: {
           type: 'bar',
           height: 350,
+          dropShadow: {
+            enabled: true,
+          },
         },
         plotOptions: {
           bar: {
diff --git a/samples/vanilla-js/funnel/pyramid.html b/samples/vanilla-js/funnel/pyramid.html
index 5d618d7c7..0a791017a 100644
--- a/samples/vanilla-js/funnel/pyramid.html
+++ b/samples/vanilla-js/funnel/pyramid.html
@@ -64,6 +64,9 @@
           chart: {
           type: 'bar',
           height: 350,
+          dropShadow: {
+            enabled: true,
+          },
         },
         plotOptions: {
           bar: {
diff --git a/samples/vue/funnel/funnel.html b/samples/vue/funnel/funnel.html
index b0908e0da..d6c3aec75 100644
--- a/samples/vue/funnel/funnel.html
+++ b/samples/vue/funnel/funnel.html
@@ -84,6 +84,9 @@
             chart: {
               type: 'bar',
               height: 350,
+              dropShadow: {
+                enabled: true,
+              },
             },
             plotOptions: {
               bar: {
diff --git a/samples/vue/funnel/pyramid.html b/samples/vue/funnel/pyramid.html
index ee72936ca..7442831b0 100644
--- a/samples/vue/funnel/pyramid.html
+++ b/samples/vue/funnel/pyramid.html
@@ -84,6 +84,9 @@
             chart: {
               type: 'bar',
               height: 350,
+              dropShadow: {
+                enabled: true,
+              },
             },
             plotOptions: {
               bar: {