diff --git a/benchmarks/SendPort/dart/SendPort.dart b/benchmarks/SendPort/dart/SendPort.dart
index a6e6044..fb950b5 100644
--- a/benchmarks/SendPort/dart/SendPort.dart
+++ b/benchmarks/SendPort/dart/SendPort.dart
@@ -175,8 +175,11 @@
 }
 
 class TreeNode {
+  @pragma('vm:entry-point') // Prevent tree shaking of this field.
   final TreeNode? left;
+  @pragma('vm:entry-point') // Prevent tree shaking of this field.
   final TreeNode? right;
+  @pragma('vm:entry-point') // Prevent tree shaking of this field.
   final int value;
 
   TreeNode(this.left, this.right, this.value);
diff --git a/benchmarks/SendPort/dart2/SendPort.dart b/benchmarks/SendPort/dart2/SendPort.dart
index 01d4042..a97acf3 100644
--- a/benchmarks/SendPort/dart2/SendPort.dart
+++ b/benchmarks/SendPort/dart2/SendPort.dart
@@ -177,8 +177,11 @@
 }
 
 class TreeNode {
+  @pragma('vm:entry-point') // Prevent tree shaking of this field.
   final TreeNode left;
+  @pragma('vm:entry-point') // Prevent tree shaking of this field.
   final TreeNode right;
+  @pragma('vm:entry-point') // Prevent tree shaking of this field.
   final int value;
 
   TreeNode(this.left, this.right, this.value);
diff --git a/tools/VERSION b/tools/VERSION
index adf5be5..618ea45 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -27,5 +27,5 @@
 MAJOR 2
 MINOR 14
 PATCH 0
-PRERELEASE 324
+PRERELEASE 325
 PRERELEASE_PATCH 0
\ No newline at end of file