diff --git a/utils/build/docker/dotnet/GetAssemblyVersion/Program.cs b/utils/build/docker/dotnet/GetAssemblyVersion/Program.cs
index fb1dce4a4fb..d268bb74f28 100644
--- a/utils/build/docker/dotnet/GetAssemblyVersion/Program.cs
+++ b/utils/build/docker/dotnet/GetAssemblyVersion/Program.cs
@@ -1,10 +1,24 @@
-if (args.Length == 0 || string.IsNullOrWhiteSpace(args[0]))
+using System.Reflection;
+
+if (args.Length == 0 || string.IsNullOrWhiteSpace(args[0]))
 {
     Console.WriteLine("Usage: GetAssemblyVersion <path-to-assembly>");
     return;
 }
 
 var fullPath = Path.GetFullPath(args[0]);
-var assembly = System.Reflection.Assembly.LoadFile(fullPath);
-var version = assembly.GetName().Version?.ToString(3);
+var assembly = Assembly.LoadFile(fullPath);
+
+// Prefer the informational version (e.g. 3.58.0-prerelease+<commit sha>), because the assembly
+// version is the same for a prerelease and its release (3.58.0.0). Drop the "+..." build metadata
+// so it matches the version the tracer reports.
+var informationalVersion = assembly
+    .GetCustomAttribute<AssemblyInformationalVersionAttribute>()?
+    .InformationalVersion
+    .Split('+')[0];
+
+var version = string.IsNullOrWhiteSpace(informationalVersion)
+    ? assembly.GetName().Version?.ToString(3)
+    : informationalVersion;
+
 Console.Write(version);