diff --git a/deno.jsonc b/deno.jsonc
index c40314b1..f8c71bc6 100644
--- a/deno.jsonc
+++ b/deno.jsonc
@@ -31,6 +31,6 @@
     "@std/async": "jsr:@std/async@^1.0.14",
     "@std/path": "jsr:@std/path@^1.1.2",
     "@std/testing": "jsr:@std/testing@^1.0.15",
-    "sinon": "npm:sinon@^21.0.0"
+    "sinon": "npm:sinon@^22.0.0"
   }
 }
diff --git a/denops/@denops-private/cli_test.ts b/denops/@denops-private/cli_test.ts
index a88b9290..a1114230 100644
--- a/denops/@denops-private/cli_test.ts
+++ b/denops/@denops-private/cli_test.ts
@@ -1,5 +1,5 @@
 // NOTE: Use sinon to stub the getter property.
-// @deno-types="npm:@types/sinon@^17.0.3"
+// @deno-types="npm:@types/sinon@^21.0.0"
 import sinon from "sinon";
 
 import {
diff --git a/denops/@denops-private/worker_test.ts b/denops/@denops-private/worker_test.ts
index 9fa0ed96..3cb863ec 100644
--- a/denops/@denops-private/worker_test.ts
+++ b/denops/@denops-private/worker_test.ts
@@ -1,4 +1,4 @@
-// @deno-types="npm:@types/sinon@^17.0.3"
+// @deno-types="npm:@types/sinon@^21.0.0"
 import sinon from "sinon";
 import {
   assertEquals,