diff --git a/applets/pbot-vm/guest/bin/guest-server b/applets/pbot-vm/guest/bin/guest-server
index 226c04e6..564a6b1a 100755
--- a/applets/pbot-vm/guest/bin/guest-server
+++ b/applets/pbot-vm/guest/bin/guest-server
@@ -19,8 +19,8 @@ no warnings qw(experimental::signatures);
 use constant {
     USERNAME  => 'vm',
     MOD_DIR   => '/usr/local/share/pbot-vm/',
-    SERIAL    => '/dev/ttyS1',
-    HEARTBEAT => '/dev/ttyS2',
+    SERIAL    => '/dev/ttyS2',
+    HEARTBEAT => '/dev/ttyS3',
     VPORT     => $ENV{PBOTVM_VPORT} // 5555,
 };
 
diff --git a/lib/PBot/VERSION.pm b/lib/PBot/VERSION.pm
index 62dc91b5..7f1756d3 100644
--- a/lib/PBot/VERSION.pm
+++ b/lib/PBot/VERSION.pm
@@ -25,8 +25,8 @@ use PBot::Imports;
 # These are set by the /misc/update_version script
 use constant {
     BUILD_NAME     => "PBot",
-    BUILD_REVISION => 4629,
-    BUILD_DATE     => "2023-03-12",
+    BUILD_REVISION => 4630,
+    BUILD_DATE     => "2023-03-13",
 };
 
 sub initialize {}