diff --git a/Assets/Modules/ShrinkEventBus b/Assets/Modules/ShrinkEventBus
index 901ad18..b14d6d0 160000
--- a/Assets/Modules/ShrinkEventBus
+++ b/Assets/Modules/ShrinkEventBus
@@ -1 +1 @@
-Subproject commit 901ad18453dd20e27240cf003846645199e699fd
+Subproject commit b14d6d0117c9a558df356f12b9c9d57ffbeefbd1
diff --git a/Tools/AgentSupport/RuntimeTests/EventBusAllocationTests.cs b/Tools/AgentSupport/RuntimeTests/EventBusAllocationTests.cs
new file mode 100644
index 0000000..13f590e
--- /dev/null
+++ b/Tools/AgentSupport/RuntimeTests/EventBusAllocationTests.cs
@@ -0,0 +1,30 @@
+using System;
+using NUnit.Framework;
+using ShrinkEventBus;
+
+[TestFixture, NonParallelizable]
+public class EventBusAllocationTests
+{
+    private readonly struct ProbeEvent : IShrinkEvent { }
+
+    [Test]
+    public void PublicDiagnosticsDoesNotAllocatePerPostAfterWarmup()
+    {
+        using var host = new ShrinkEventBusHost();
+        var bus = host.CreateBus(new ShrinkBusKey("allocation", "probe"), ShrinkBusOptions.Inline());
+        var calls = 0;
+        using var observer = EventBus.ObserveDiagnostics(_ => calls++);
+        Measure(bus);
+        var allocated = Measure(bus);
+        Assert.That(calls, Is.EqualTo(20000));
+        Assert.That(allocated, Is.Zero);
+    }
+
+    [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
+    private static long Measure(IShrinkEventBus bus)
+    {
+        var before = GC.GetAllocatedBytesForCurrentThread();
+        for (var i = 0; i < 10000; i++) bus.Post(new ProbeEvent());
+        return GC.GetAllocatedBytesForCurrentThread() - before;
+    }
+}
diff --git a/Tools/Release/package-versions.json b/Tools/Release/package-versions.json
index e6cdb08..6425316 100644
--- a/Tools/Release/package-versions.json
+++ b/Tools/Release/package-versions.json
@@ -160,12 +160,12 @@
     {
       "directory": "ShrinkEventBus",
       "name": "com.cneicy.shrink-eventbus",
-      "version": "2.3.1",
+      "version": "2.3.2",
       "repository": "https://git.crash.work/ShrinkSDK/ShrinkEventBus.git",
       "nugetPackages": [
         {
           "id": "ShrinkSDK.EventBus",
-          "version": "2.3.1",
+          "version": "2.3.2",
           "project": "Assets/Modules/ShrinkEventBus/DotNet~/ShrinkSDK.EventBus.csproj"
         }
       ]