diff --git a/.gitignore b/.gitignore
index 4e7dd94..3db939a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,5 +2,4 @@
 /lib/
 /.crystal/
 /.shards/
-
-
+shard.lock
diff --git a/shard.lock b/shard.lock
deleted file mode 100644
index cde5616..0000000
--- a/shard.lock
+++ /dev/null
@@ -1,18 +0,0 @@
-version: 1.0
-shards:
-  exception_page:
-    github: crystal-loot/exception_page
-    version: 0.1.1
-
-  kemal:
-    github: sdogruyol/kemal
-    version: 0.25.1
-
-  kilt:
-    github: jeromegn/kilt
-    version: 0.4.0
-
-  radix:
-    github: luislavena/radix
-    version: 0.3.8
-
diff --git a/shard.yml b/shard.yml
index de7a1f0..4d46896 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,6 @@
 name: spec-kemal
 version: 0.5.1
+crystal: "< 2.0.0"
 
 development_dependencies:
   kemal: