diff --git a/src/sonic-py-swsssdk b/src/sonic-py-swsssdk
index 51c9d1fe2d..99b91b319b 160000
--- a/src/sonic-py-swsssdk
+++ b/src/sonic-py-swsssdk
@@ -1 +1 @@
-Subproject commit 51c9d1fe2d6dba6349c7beb959c4cdd0b89928ed
+Subproject commit 99b91b319b83d4679497f231f7a8410ca36fd089