diff --git a/utils/img-opt.js b/utils/img-opt.js
index 4fb42d3..c523da8 100644
--- a/utils/img-opt.js
+++ b/utils/img-opt.js
@@ -1,6 +1,6 @@
-import { run } from "https://deno.land/x/run_simple@2.3.0/mod.ts";
-import { join } from "https://deno.land/std@0.224.0/path/mod.ts";
-import { emptyDir } from "https://deno.land/std@0.224.0/fs/empty_dir.ts";
+import { run } from "jsr:@std/path@0.224.0/mod.ts";
+import { join } from "jsr:@std/path@0.224.0/path/mod.ts";
+import { emptyDir } from "jsr:@std/path@0.224.0/fs/empty_dir.ts";
 
 async function optimizeDir (dir, sizes) {
     await emptyDir(join(dir, 'thumbs'))