diff --git a/instrumentation/opentelemetry-instrumentation-flask/src/opentelemetry/instrumentation/flask/__init__.py b/instrumentation/opentelemetry-instrumentation-flask/src/opentelemetry/instrumentation/flask/__init__.py
index f69470ab9e..468765480b 100644
--- a/instrumentation/opentelemetry-instrumentation-flask/src/opentelemetry/instrumentation/flask/__init__.py
+++ b/instrumentation/opentelemetry-instrumentation-flask/src/opentelemetry/instrumentation/flask/__init__.py
@@ -303,8 +303,12 @@ def response_hook(span: Span, status: str, response_headers: List):
 
 _logger = getLogger(__name__)
 # Global constants for Flask 3.1+ streaming context cleanup
-_IS_FLASK_31_PLUS = hasattr(flask, "__version__") and package_version.parse(
-    flask.__version__
+try:
+    _flask_version = version("flask")
+except Exception:
+    _flask_version = None
+_IS_FLASK_31_PLUS = _flask_version is not None and package_version.parse(
+    _flask_version
 ) >= package_version.parse("3.1.0")
 
 _ENVIRON_STARTTIME_KEY = "opentelemetry-flask.starttime_key"
diff --git a/instrumentation/opentelemetry-instrumentation-flask/tests/test_flask_compatibility.py b/instrumentation/opentelemetry-instrumentation-flask/tests/test_flask_compatibility.py
index dcf9b2bdd6..37121f707f 100644
--- a/instrumentation/opentelemetry-instrumentation-flask/tests/test_flask_compatibility.py
+++ b/instrumentation/opentelemetry-instrumentation-flask/tests/test_flask_compatibility.py
@@ -31,12 +31,13 @@
     _request_ctx_ref,
 )
 from opentelemetry.test.wsgitestutil import WsgiTestBase
+from opentelemetry.util._importlib_metadata import version
 
 
 class TestFlaskCompatibility(WsgiTestBase):
     def setUp(self):
         super().setUp()
-        self.flask_version = flask.__version__
+        self.flask_version = version("flask")
 
     def test_streaming_response_context_cleanup(self):
         """Test that streaming responses properly clean up context"""