diff --git a/deps/testing.ts b/deps/testing.ts
index bbc8f6c..70cc439 100644
--- a/deps/testing.ts
+++ b/deps/testing.ts
@@ -1 +1 @@
-export * from "https://deno.land/std@0.138.0/testing/asserts.ts";
+export * from "https://deno.land/std@0.139.0/testing/asserts.ts";