diff --git a/cpanfile b/cpanfile
index 602e197..e05398a 100644
--- a/cpanfile
+++ b/cpanfile
@@ -1,4 +1,4 @@
-requires 'Plack' => '0';
+requires 'Plack' => '1.0041';
 requires 'Log::Dispatch' => '0';
 requires 'JSON::MaybeXS' => '0';
 requires 'Path::Tiny' => '0';
diff --git a/lib/Kelp/Request.pm b/lib/Kelp/Request.pm
index 004b14f..1897bb5 100644
--- a/lib/Kelp/Request.pm
+++ b/lib/Kelp/Request.pm
@@ -20,21 +20,26 @@ attr route_name => sub { undef };
 
 attr query_parameters => sub {
     my $self = shift;
-    my $raw = $self->_charset_decode_array($self->_query_parameters);
+
+    $self->SUPER::query_parameters;
+    my $raw = $self->_charset_decode_array($self->env->{'plack.request.query_parameters'});
     return Hash::MultiValue->new(@{$raw});
 };
 
 attr body_parameters => sub {
     my $self = shift;
-    my $raw = $self->_charset_decode_array($self->_body_parameters);
+
+    $self->SUPER::body_parameters;
+    my $raw = $self->_charset_decode_array($self->env->{'plack.request.body_parameters'});
     return Hash::MultiValue->new(@{$raw});
 };
 
 attr parameters => sub {
     my $self = shift;
 
-    my $raw_query = $self->_charset_decode_array($self->_query_parameters);
-    my $raw_body = $self->_charset_decode_array($self->_body_parameters);
+    $self->SUPER::parameters;
+    my $raw_query = $self->_charset_decode_array($self->env->{'plack.request.query_parameters'});
+    my $raw_body = $self->_charset_decode_array($self->env->{'plack.request.body_parameters'});
     return Hash::MultiValue->new(@{$raw_query}, @{$raw_body});
 };