diff --git a/opentelemetry-sdk/src/opentelemetry/sdk/trace/__init__.py b/opentelemetry-sdk/src/opentelemetry/sdk/trace/__init__.py
index 7a1594db63c..033e5855e5b 100644
--- a/opentelemetry-sdk/src/opentelemetry/sdk/trace/__init__.py
+++ b/opentelemetry-sdk/src/opentelemetry/sdk/trace/__init__.py
@@ -236,6 +236,9 @@ def set_attribute(self, key: str, value: types.AttributeValue) -> None:
             if error_message is not None:
                 logger.warning("%s in attribute value sequence", error_message)
                 return
+            if not isinstance(value, str):
+                # convert value : sequence into immutable tuple lest client changes it.
+                value = tuple(value)
         elif not isinstance(value, (bool, str, Number, Sequence)):
             logger.warning("invalid type for attribute value")
             return
@@ -261,6 +264,7 @@ def _check_attribute_value_sequence(sequence: Sequence) -> Optional[str]:
         for element in sequence:
             if not isinstance(element, first_element_type):
                 return "different type"
+
         return None
 
     def add_event(
diff --git a/opentelemetry-sdk/tests/trace/test_trace.py b/opentelemetry-sdk/tests/trace/test_trace.py
index a62f91a7e35..79d59a4f776 100644
--- a/opentelemetry-sdk/tests/trace/test_trace.py
+++ b/opentelemetry-sdk/tests/trace/test_trace.py
@@ -390,12 +390,12 @@ def test_attributes(self):
             self.assertEqual(root.attributes["http.status_text"], "OK")
             self.assertEqual(root.attributes["misc.pi"], 3.14)
             self.assertEqual(root.attributes["attr-key"], "attr-value2")
-            self.assertEqual(root.attributes["empty-list"], [])
+            self.assertEqual(root.attributes["empty-list"], ())
             self.assertEqual(
-                root.attributes["list-of-bools"], [True, True, False]
+                root.attributes["list-of-bools"], (True, True, False)
             )
             self.assertEqual(
-                root.attributes["list-of-numerics"], [123, 3.14, 0]
+                root.attributes["list-of-numerics"], (123, 3.14, 0)
             )
 
         attributes = {