diff --git a/src/sonic-py-swsssdk b/src/sonic-py-swsssdk
index 99b91b319b..591a5c0bda 160000
--- a/src/sonic-py-swsssdk
+++ b/src/sonic-py-swsssdk
@@ -1 +1 @@
-Subproject commit 99b91b319b83d4679497f231f7a8410ca36fd089
+Subproject commit 591a5c0bda1ce4c51fe03f60646014d03172040b