diff --git a/libraries/appbase b/libraries/appbase
index 26477ee10fee7272559e47539317d8141d6439b5..31a02293a303782a97963a2e67815703f1123914 160000
--- a/libraries/appbase
+++ b/libraries/appbase
@@ -1 +1 @@
-Subproject commit 26477ee10fee7272559e47539317d8141d6439b5
+Subproject commit 31a02293a303782a97963a2e67815703f1123914
diff --git a/libraries/chainbase b/libraries/chainbase
index ab35dd17dc7e763aef207e4c6e3f02f6a9ad6b46..4ebab558f506f13457317fe9f0ca5b79511b76a1 160000
--- a/libraries/chainbase
+++ b/libraries/chainbase
@@ -1 +1 @@
-Subproject commit ab35dd17dc7e763aef207e4c6e3f02f6a9ad6b46
+Subproject commit 4ebab558f506f13457317fe9f0ca5b79511b76a1