diff --git a/deno.lock b/deno.lock
new file mode 100644
index 0000000..8345d7c
--- /dev/null
+++ b/deno.lock
@@ -0,0 +1 @@
+{ "version": "2", "remote": {} }
diff --git a/import-map.json b/import-map.json
index 915b8af..c4cf3e0 100644
--- a/import-map.json
+++ b/import-map.json
@@ -1,6 +1,6 @@
 {
   "imports": {
-    "testing/": "https://deno.land/std@0.142.0/testing/",
-    "dnt": "https://deno.land/x/dnt@0.27.0/mod.ts"
+    "testing/": "https://deno.land/std@0.172.0/testing/",
+    "dnt": "https://deno.land/x/dnt@0.33.0/mod.ts"
   }
 }