diff --git a/lib/TgMagicPdf/Telegram.pm b/lib/TgMagicPdf/Telegram.pm
index 1f04c7d..5f00f9f 100644
--- a/lib/TgMagicPdf/Telegram.pm
+++ b/lib/TgMagicPdf/Telegram.pm
@@ -39,9 +39,14 @@ sub run ($self) {
 }
 
 sub _dispatch_updates ($self) {
+    my $in_process = 0;
     Mojo::IOLoop->recurring(
-        0.5,
+        0.1,
         sub {
+            if ($in_process) {
+                return;
+            }
+            $in_process = 1;
             if ( $self->_used_cores >= $self->_cores ) {
                 return;
             }
@@ -96,6 +101,7 @@ sub _dispatch_updates ($self) {
                 );
                 say $i;
             }
+            $in_process = 0;
         }
     );
 }