diff --git a/src/OpenTelemetry.Instrumentation.SqlClient/CHANGELOG.md b/src/OpenTelemetry.Instrumentation.SqlClient/CHANGELOG.md
index 02a4849f78..fd775a52b4 100644
--- a/src/OpenTelemetry.Instrumentation.SqlClient/CHANGELOG.md
+++ b/src/OpenTelemetry.Instrumentation.SqlClient/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## Unreleased
 
+* Add the `db.operation.name` attribute when `CommandType` is
+  `StoredProcedure` to conform to the new semantic conventions.
+  This affects you if you have opted into the new conventions.
+  ([#2800](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/2800))
+
 ## 1.12.0-beta.1
 
 Released 2025-May-06
diff --git a/src/OpenTelemetry.Instrumentation.SqlClient/Implementation/SqlActivitySourceHelper.cs b/src/OpenTelemetry.Instrumentation.SqlClient/Implementation/SqlActivitySourceHelper.cs
index 1e41af6196..3315733950 100644
--- a/src/OpenTelemetry.Instrumentation.SqlClient/Implementation/SqlActivitySourceHelper.cs
+++ b/src/OpenTelemetry.Instrumentation.SqlClient/Implementation/SqlActivitySourceHelper.cs
@@ -37,6 +37,7 @@ internal sealed class SqlActivitySourceHelper
         SemanticConventions.AttributeDbSystem,
         SemanticConventions.AttributeDbSystemName,
         SemanticConventions.AttributeDbNamespace,
+        SemanticConventions.AttributeDbOperationName,
         SemanticConventions.AttributeDbStoredProcedureName,
         SemanticConventions.AttributeDbResponseStatusCode,
         SemanticConventions.AttributeErrorType,
diff --git a/src/OpenTelemetry.Instrumentation.SqlClient/Implementation/SqlClientDiagnosticListener.cs b/src/OpenTelemetry.Instrumentation.SqlClient/Implementation/SqlClientDiagnosticListener.cs
index 619a0189eb..9cd362c957 100644
--- a/src/OpenTelemetry.Instrumentation.SqlClient/Implementation/SqlClientDiagnosticListener.cs
+++ b/src/OpenTelemetry.Instrumentation.SqlClient/Implementation/SqlClientDiagnosticListener.cs
@@ -115,6 +115,7 @@ public override void OnEventWritten(string name, object? payload)
 
                                     if (options.EmitNewAttributes)
                                     {
+                                        activity.SetTag(SemanticConventions.AttributeDbOperationName, "EXECUTE");
                                         activity.SetTag(SemanticConventions.AttributeDbStoredProcedureName, commandText);
                                     }
 
diff --git a/test/OpenTelemetry.Instrumentation.SqlClient.Tests/SqlClientTestCases.json b/test/OpenTelemetry.Instrumentation.SqlClient.Tests/SqlClientTestCases.json
index cf2205e377..2c4cbe3719 100644
--- a/test/OpenTelemetry.Instrumentation.SqlClient.Tests/SqlClientTestCases.json
+++ b/test/OpenTelemetry.Instrumentation.SqlClient.Tests/SqlClientTestCases.json
@@ -38,7 +38,7 @@
       "db.collection.name": null,
       "db.namespace": "MSSQLLocalDB.master",
       "db.operation.batch.size": null,
-      "db.operation.name": null,
+      "db.operation.name": "EXECUTE",
       "db.query.summary": null,
       "db.query.text": null,
       "db.response.status_code": null,