diff --git a/2021/deps.ts b/2021/deps.ts
index 655af59..e145a27 100644
--- a/2021/deps.ts
+++ b/2021/deps.ts
@@ -1,4 +1,4 @@
 export { readLines } from "https://deno.land/std@0.116.0/io/mod.ts";
-export { ensureDir } from "https://deno.land/std@0.110.0/fs/mod.ts";
+export { ensureDir } from "https://deno.land/std@0.116.0/fs/mod.ts";
 export * as path from "https://deno.land/std@0.116.0/path/mod.ts";
 export { readAll } from "https://deno.land/std@0.116.0/streams/conversion.ts";