diff --git a/lib/bc b/lib/bc
index c588033..e674242 160000
--- a/lib/bc
+++ b/lib/bc
@@ -1 +1 @@
-Subproject commit c5880338b4d5771948bf769ddaecdfbba2412ed8
+Subproject commit e674242b473f6bbd4cbffbe493ba53ca70c6ae20
diff --git a/lib/system b/lib/system
index 8eba4c3..53eefc9 160000
--- a/lib/system
+++ b/lib/system
@@ -1 +1 @@
-Subproject commit 8eba4c3ff0efb1a0fd1268a22da362b990b4967f
+Subproject commit 53eefc969f054941521a64ddb718d3ceb47c77eb