diff --git a/lib/Mojolicious/Plugin/TtRenderer/Engine.pm b/lib/Mojolicious/Plugin/TtRenderer/Engine.pm
index 1855f5a..173e229 100644
--- a/lib/Mojolicious/Plugin/TtRenderer/Engine.pm
+++ b/lib/Mojolicious/Plugin/TtRenderer/Engine.pm
@@ -10,11 +10,13 @@ use File::Spec ();
 use Mojo::ByteStream 'b';
 use Template ();
 use Cwd qw/abs_path/;
+use Scalar::Util 'weaken';
 
 __PACKAGE__->attr('tt');
 
 sub build {
     my $self = shift->SUPER::new(@_);
+    weaken($self->{app});
     $self->_init(@_);
     return sub { $self->_render(@_) }
 }
@@ -130,6 +132,7 @@ use strict;
 use warnings;
 
 use base 'Template::Provider';
+use Scalar::Util 'weaken';
 
 sub new {
     my $class = shift;
@@ -139,6 +142,7 @@ sub new {
 
     my $self = $class->SUPER::new(%params);
     $self->renderer($renderer);
+    weaken($self->{renderer});
     return $self;
 }
 
diff --git a/t/tt_plugin_lite_app.t b/t/tt_plugin_lite_app.t
index 29679ad..94ae154 100644
--- a/t/tt_plugin_lite_app.t
+++ b/t/tt_plugin_lite_app.t
@@ -36,4 +36,12 @@ my $t = Test::Mojo->new;
 
 # Simple TT template
 $t->get_ok('/')->status_is(200)
-  ->content_like(qr/test123456/);
\ No newline at end of file
+  ->content_like(qr/test123456/);
+
+eval "
+  use Devel::Cycle 'find_cycle';
+  find_cycle(app, sub {
+    ok(0, 'Cycle found');
+  });
+";
+