diff --git a/scripts/build_npm.ts b/scripts/build_npm.ts
index b5db89b..3616986 100644
--- a/scripts/build_npm.ts
+++ b/scripts/build_npm.ts
@@ -1,4 +1,4 @@
-import { build, emptyDir } from "https://deno.land/x/dnt@0.31.0/mod.ts";
+import { build, emptyDir } from "https://deno.land/x/dnt@0.34.0/mod.ts";
 
 const name = "unnullish";
 const version = Deno.args[0];
diff --git a/unnullish_test.ts b/unnullish_test.ts
index 887e5d5..47a8aaa 100644
--- a/unnullish_test.ts
+++ b/unnullish_test.ts
@@ -1,4 +1,4 @@
-import { assertEquals } from "https://deno.land/std@0.164.0/testing/asserts.ts";
+import { assertEquals } from "https://deno.land/std@0.186.0/testing/asserts.ts";
 import { unreachable } from "https://deno.land/x/unreachable@v0.1.0/mod.ts";
 import { unnullish } from "./unnullish.ts";