diff --git a/src/sonic-py-swsssdk b/src/sonic-py-swsssdk
index 96b4928e790b..a21b7a929ab6 160000
--- a/src/sonic-py-swsssdk
+++ b/src/sonic-py-swsssdk
@@ -1 +1 @@
-Subproject commit 96b4928e790bbce7c959f0b5cbb0510e5954afb1
+Subproject commit a21b7a929ab63f027e4a0d2f919145d8054b8011