diff --git a/tests/security/simple_security.py b/libp2p/security/simple_security.py
similarity index 100%
rename from tests/security/simple_security.py
rename to libp2p/security/simple_security.py
diff --git a/tests/security/test_security_multistream.py b/tests/security/test_security_multistream.py
index f849bb82..ed1ad299 100644
--- a/tests/security/test_security_multistream.py
+++ b/tests/security/test_security_multistream.py
@@ -6,8 +6,8 @@ from libp2p import new_node
 from libp2p.peer.peerinfo import info_from_p2p_addr
 from libp2p.protocol_muxer.multiselect_client import MultiselectClientError
 from libp2p.security.insecure_security import InsecureTransport
+from libp2p.security.simple_security import SimpleSecurityTransport
 from tests.utils import cleanup
-from simple_security import SimpleSecurityTransport
 
 # TODO: Add tests for multiple streams being opened on different
 # protocols through the same connection