diff --git a/package.json b/package.json
index d79c86d6c0..8f8899828a 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
         "@bbob/preset-html5": "4.3.1",
         "@hono/node-server": "1.19.7",
         "@hono/zod-openapi": "1.1.5",
-        "@notionhq/client": "5.4.0",
+        "@notionhq/client": "5.6.0",
         "@opentelemetry/api": "1.9.0",
         "@opentelemetry/exporter-prometheus": "0.208.0",
         "@opentelemetry/exporter-trace-otlp-http": "0.208.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 268d346b7f..ff5ac0d126 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -45,8 +45,8 @@ importers:
         specifier: 1.1.5
         version: 1.1.5(hono@4.11.1)(zod@4.2.1)
       '@notionhq/client':
-        specifier: 5.4.0
-        version: 5.4.0
+        specifier: 5.6.0
+        version: 5.6.0
       '@opentelemetry/api':
         specifier: 1.9.0
         version: 1.9.0
@@ -1703,8 +1703,8 @@ packages:
     resolution: {integrity: sha512-y3SvzjuY1ygnzWA4Krwx/WaJAsTMP11DN+e21A8Fa8PW1oDtVB5NSRW7LWurAiS2oKRkuCgcjTYMkBuBkcPCRg==}
     engines: {node: '>=12.4.0'}
 
-  '@notionhq/client@5.4.0':
-    resolution: {integrity: sha512-SJsprS26S0Wi9CoTQp4vC8/nPpAIo1gMB4H7aJ2E/k0fWnNGIEAg984KwtzK6h9ZGaPcEaryVRSz1VVClJcVUw==}
+  '@notionhq/client@5.6.0':
+    resolution: {integrity: sha512-eA3dO87vQJhFmR59utXH8r0nnulW7C7oTcxfp3bpiiTiv59luCkOkbbALCIa8TzBDdELoRD/zJEIfKcynyFR6Q==}
     engines: {node: '>=18'}
 
   '@one-ini/wasm@0.1.1':
@@ -7639,7 +7639,7 @@ snapshots:
 
   '@nolyfill/side-channel@1.0.44': {}
 
-  '@notionhq/client@5.4.0': {}
+  '@notionhq/client@5.6.0': {}
 
   '@one-ini/wasm@0.1.1': {}