diff --git a/otel-plugin/src/main/java/software/amazon/lambda/durable/otel/ExecutionOtelPlugin.java b/otel-plugin/src/main/java/software/amazon/lambda/durable/otel/ExecutionOtelPlugin.java
index d0a156579..92236d4f0 100644
--- a/otel-plugin/src/main/java/software/amazon/lambda/durable/otel/ExecutionOtelPlugin.java
+++ b/otel-plugin/src/main/java/software/amazon/lambda/durable/otel/ExecutionOtelPlugin.java
@@ -440,6 +440,9 @@ public void onUserFunctionStart(UserFunctionStartInfo info) {
         if (info.name() != null) {
             spanBuilder.setAttribute(DURABLE_OPERATION_NAME, info.name());
         }
+        if (info.subType() != null) {
+            spanBuilder.setAttribute(DURABLE_OPERATION_SUBTYPE, info.subType());
+        }
         if (info.attempt() != null) {
             spanBuilder.setAttribute(DURABLE_ATTEMPT_NUMBER, info.attempt().longValue());
         }
diff --git a/otel-plugin/src/test/java/software/amazon/lambda/durable/otel/ExecutionOtelPluginTest.java b/otel-plugin/src/test/java/software/amazon/lambda/durable/otel/ExecutionOtelPluginTest.java
index 6936065c2..a693be2e4 100644
--- a/otel-plugin/src/test/java/software/amazon/lambda/durable/otel/ExecutionOtelPluginTest.java
+++ b/otel-plugin/src/test/java/software/amazon/lambda/durable/otel/ExecutionOtelPluginTest.java
@@ -332,6 +332,25 @@ void attemptSpan_childOfOperation_linkedToInvocation() {
                 "Attempt span must carry a link to the invocation span");
     }
 
+    @Test
+    void attemptSpan_carriesOperationSubtype() {
+        plugin.onInvocationStart(new InvocationInfo("req-1", ARN, true, Instant.now()));
+        plugin.onUserFunctionStart(
+                new UserFunctionStartInfo("op-1", "process-order", "STEP", "Step", null, Instant.now(), false, 1));
+        plugin.onUserFunctionEnd(new UserFunctionEndInfo(
+                "op-1", "process-order", "STEP", "Step", null, Instant.now(), Instant.now(), false, 1, true, null));
+        plugin.onInvocationEnd(new InvocationEndInfo("req-1", ARN, true, InvocationStatus.SUCCEEDED, null));
+
+        var attemptSpan = spanExporter.getFinishedSpanItems().stream()
+                .filter(s -> s.getName().contains("process-order"))
+                .findFirst()
+                .orElseThrow();
+        assertEquals(
+                "Step",
+                attemptSpan.getAttributes().get(AttributeKey.stringKey("durable.operation.subtype")),
+                "Attempt span should carry durable.operation.subtype from the operation");
+    }
+
     @Test
     void childOperation_parentedToParentOperationSpan() {
         plugin.onInvocationStart(new InvocationInfo("req-1", ARN, true, Instant.now()));