diff --git a/denops/futago/dispatcher/load_chat.ts b/denops/futago/dispatcher/load_chat.ts
index 3638a4b..3b464fc 100644
--- a/denops/futago/dispatcher/load_chat.ts
+++ b/denops/futago/dispatcher/load_chat.ts
@@ -11,7 +11,7 @@ import { Futago } from "../futago.ts";
 import { type Denops } from "https://deno.land/x/denops_core@v6.0.5/mod.ts";
 import { z } from "https://deno.land/x/zod@v3.22.4/mod.ts";
 import { getDb } from "../db.ts";
-import { basename, extname } from "https://deno.land/std@0.218.2/path/mod.ts";
+import { basename, extname } from "https://deno.land/std@0.219.1/path/mod.ts";
 
 export const loadChatParamsSchema = z.object({
   bufnr: z.number(),
diff --git a/denops/futago/dispatcher/open_history.ts b/denops/futago/dispatcher/open_history.ts
index c6c832f..1498877 100644
--- a/denops/futago/dispatcher/open_history.ts
+++ b/denops/futago/dispatcher/open_history.ts
@@ -8,7 +8,7 @@ import * as batch from "https://deno.land/x/denops_std@v6.3.0/batch/mod.ts";
 import * as fn from "https://deno.land/x/denops_std@v6.3.0/function/mod.ts";
 import { type Denops } from "https://deno.land/x/denops_core@v6.0.5/mod.ts";
 import { z } from "https://deno.land/x/zod@v3.22.4/mod.ts";
-import { walk } from "https://deno.land/std@0.218.2/fs/walk.ts";
+import { walk } from "https://deno.land/std@0.219.1/fs/walk.ts";
 
 export const openHistoryParamsSchema = z.object({
   chatDir: z.string(),
diff --git a/denops/futago/futago.ts b/denops/futago/futago.ts
index 5165798..abe41ad 100644
--- a/denops/futago/futago.ts
+++ b/denops/futago/futago.ts
@@ -4,7 +4,7 @@
 // Last Change : 2024/03/02 15:55:51.
 // =============================================================================
 
-import * as datetime from "https://deno.land/std@0.218.2/datetime/mod.ts";
+import * as datetime from "https://deno.land/std@0.219.1/datetime/mod.ts";
 import xdg from "https://deno.land/x/xdg@v10.6.0/src/mod.deno.ts";
 import sanitize from "https://esm.sh/sanitize-filename@1.6.3";
 import {
@@ -16,11 +16,11 @@ import {
   SafetySetting,
   StartChatParams,
 } from "https://esm.sh/@google/generative-ai@0.2.1";
-import { getLogger } from "https://deno.land/std@0.218.2/log/mod.ts";
+import { getLogger } from "https://deno.land/std@0.219.1/log/mod.ts";
 import { getDb, setDb } from "./db.ts";
 import { Semaphore } from "https://deno.land/x/async@v2.1.0/semaphore.ts";
 import { DEFAULT_AI_PROMPT, DEFAULT_HUMAN_PROMPT, DEFAULT_MODEL } from "./consts.ts";
-import { join } from "https://deno.land/std@0.218.2/path/join.ts";
+import { join } from "https://deno.land/std@0.219.1/path/join.ts";
 import { z } from "https://deno.land/x/zod@v3.22.4/mod.ts";
 
 export class Futago {
diff --git a/denops/futago/futago_test.ts b/denops/futago/futago_test.ts
index 3fe370e..636aa7a 100644
--- a/denops/futago/futago_test.ts
+++ b/denops/futago/futago_test.ts
@@ -5,7 +5,7 @@
 // =============================================================================
 
 import { Futago } from "./futago.ts";
-import { assertStringIncludes } from "https://deno.land/std@0.218.2/assert/assert_string_includes.ts";
+import { assertStringIncludes } from "https://deno.land/std@0.219.1/assert/assert_string_includes.ts";
 
 Deno.test({
   name: "Test sendMessageStream()",
diff --git a/denops/futago/main.ts b/denops/futago/main.ts
index b6f0259..4e9652e 100644
--- a/denops/futago/main.ts
+++ b/denops/futago/main.ts
@@ -8,18 +8,18 @@ import * as fn from "https://deno.land/x/denops_std@v6.3.0/function/mod.ts";
 import * as helper from "https://deno.land/x/denops_std@v6.3.0/helper/mod.ts";
 import * as autocmd from "https://deno.land/x/denops_std@v6.3.0/autocmd/mod.ts";
 import * as vars from "https://deno.land/x/denops_std@v6.3.0/variable/mod.ts";
-import { deepMerge } from "https://deno.land/std@0.218.2/collections/deep_merge.ts";
+import { deepMerge } from "https://deno.land/std@0.219.1/collections/deep_merge.ts";
 import type { Denops } from "https://deno.land/x/denops_std@v6.3.0/mod.ts";
 import xdg from "https://deno.land/x/xdg@v10.6.0/src/mod.deno.ts";
-import { ensureDir, ensureFile } from "https://deno.land/std@0.218.2/fs/mod.ts";
-import { dirname, join } from "https://deno.land/std@0.218.2/path/mod.ts";
+import { ensureDir, ensureFile } from "https://deno.land/std@0.219.1/fs/mod.ts";
+import { dirname, join } from "https://deno.land/std@0.219.1/path/mod.ts";
 import {
   ConsoleHandler,
   FileHandler,
   getLogger,
   RotatingFileHandler,
   setup,
-} from "https://deno.land/std@0.218.2/log/mod.ts";
+} from "https://deno.land/std@0.219.1/log/mod.ts";
 import { GenerationConfig, SafetySetting } from "https://esm.sh/@google/generative-ai@0.2.1";
 import { z } from "https://deno.land/x/zod@v3.22.4/mod.ts";
 
diff --git a/denops/futago/util.ts b/denops/futago/util.ts
index 38ee275..7aa46e2 100644
--- a/denops/futago/util.ts
+++ b/denops/futago/util.ts
@@ -4,7 +4,7 @@
 // Last Change : 2024/01/28 00:28:33.
 // =============================================================================
 
-import * as datetime from "https://deno.land/std@0.218.2/datetime/mod.ts";
+import * as datetime from "https://deno.land/std@0.219.1/datetime/mod.ts";
 import * as fn from "https://deno.land/x/denops_std@v6.3.0/function/mod.ts";
 import { type Denops } from "https://deno.land/x/denops_core@v6.0.5/mod.ts";