diff --git a/shard.lock b/shard.lock
index b2f91c9..7f6906d 100644
--- a/shard.lock
+++ b/shard.lock
@@ -2,7 +2,7 @@ version: 1.0
 shards:
   kemal:
     github: sdogruyol/kemal
-    commit: 65d0af5b5f953c9c263d0e4c657517c4d64567ce
+    commit: a8ecbde22295f4c6ce156f9d5acda304894334fb
 
   kilt:
     github: jeromegn/kilt
@@ -10,5 +10,5 @@ shards:
 
   radix:
     github: luislavena/radix
-    version: 0.1.1
+    version: 0.3.0
 
diff --git a/src/spec-kemal.cr b/src/spec-kemal.cr
index f528f47..49e5274 100644
--- a/src/spec-kemal.cr
+++ b/src/spec-kemal.cr
@@ -10,17 +10,18 @@ APP_URL = "http://localhost:#{APP_PORT}"
 Kemal.config.env = APP_ENV
 Kemal.config.host_binding = APP_HOST_BINDING
 Kemal.config.port = APP_PORT
+Kemal.config.logging = false
 
 def start
   spawn do
     Kemal.run
-    Kemal.config.server.listen
+    Kemal.config.server.not_nil!.listen
   end
   sleep TIME_TO_SLEEP
 end
 
 def stop
-  Kemal.config.server.close
+  Kemal.config.server.not_nil!.close
   sleep TIME_TO_SLEEP
 end