diff --git a/src/sonic-py-swsssdk b/src/sonic-py-swsssdk
index 1e7573229b51..51c9d1fe2d6d 160000
--- a/src/sonic-py-swsssdk
+++ b/src/sonic-py-swsssdk
@@ -1 +1 @@
-Subproject commit 1e7573229b518a6050d903c90db31f7fbff20a68
+Subproject commit 51c9d1fe2d6dba6349c7beb959c4cdd0b89928ed