diff --git a/.changes/unreleased/Improvements-364.yaml b/.changes/unreleased/Improvements-364.yaml
new file mode 100644
index 00000000..a8922ca0
--- /dev/null
+++ b/.changes/unreleased/Improvements-364.yaml
@@ -0,0 +1,6 @@
+component: sdk
+kind: Improvements
+body: Make Pulumi.RunException public
+time: 2024-10-16T12:40:31.206421+02:00
+custom:
+    PR: "364"
diff --git a/sdk/Pulumi/Exceptions/RunException.cs b/sdk/Pulumi/Exceptions/RunException.cs
index 173efb6d..ff790833 100644
--- a/sdk/Pulumi/Exceptions/RunException.cs
+++ b/sdk/Pulumi/Exceptions/RunException.cs
@@ -8,11 +8,12 @@ namespace Pulumi
     /// <summary>
     /// RunException can be used for terminating a program abruptly, but resulting in a clean exit
     /// rather than the usual verbose unhandled error logic which emits the source program text and
-    /// complete stack trace.  This type should be rarely used.  Ideally <see
+    /// complete stack trace.  This type should be rarely used and not be used by developers.
+    /// The reason to make it public is for it to be assertable by testing frameworks. Ideally <see
     /// cref="ResourceException"/> should always be used so that as many errors as possible can be
     /// associated with a Resource.
     /// </summary>
-    internal class RunException : Exception
+    public class RunException : Exception
     {
         public RunException(string message)
             : base(message)