diff --git a/backend-node/package.json b/backend-node/package.json
index 348e63a0cd..93c7779a95 100644
--- a/backend-node/package.json
+++ b/backend-node/package.json
@@ -12,7 +12,7 @@
     "@hono/node-server": "^1.14.1",
     "@hono/sentry": "^1.2.1",
     "@hono/swagger-ui": "0.5.1",
-    "@hono/zod-openapi": "^0.18.1",
+    "@hono/zod-openapi": "^1.1.4",
     "@react-email/components": "0.0.41",
     "@react-email/render": "1.1.2",
     "date-fns": "^4.1.0",
diff --git a/backend-node/yarn.lock b/backend-node/yarn.lock
index 0fbfe6825f..1434980dc5 100644
--- a/backend-node/yarn.lock
+++ b/backend-node/yarn.lock
@@ -5,14 +5,14 @@ __metadata:
   version: 8
   cacheKey: 10c0
 
-"@asteasolutions/zod-to-openapi@npm:^7.1.0":
-  version: 7.1.1
-  resolution: "@asteasolutions/zod-to-openapi@npm:7.1.1"
+"@asteasolutions/zod-to-openapi@npm:^8.1.0":
+  version: 8.1.0
+  resolution: "@asteasolutions/zod-to-openapi@npm:8.1.0"
   dependencies:
     openapi3-ts: "npm:^4.1.2"
   peerDependencies:
-    zod: ^3.20.2
-  checksum: 10c0/4875cd97b6474cd7f10d0bb8d23139dd169e333197f7905bf30620ff8a103a5224de295629a295c055736e32369718061a3a773b067222fed7875c8c20ba37ad
+    zod: ^4.0.0
+  checksum: 10c0/974a8b06bc3048406bc13f2cf2c00ce8bc2256af6d1e24b39f3b8b1c6fa6047d64b8a017da5b45e6b3f28ca89b159383f01dabc00a904a705a54ea87712dfda3
   languageName: node
   linkType: hard
 
@@ -610,26 +610,27 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@hono/zod-openapi@npm:^0.18.1":
-  version: 0.18.1
-  resolution: "@hono/zod-openapi@npm:0.18.1"
+"@hono/zod-openapi@npm:^1.1.4":
+  version: 1.1.4
+  resolution: "@hono/zod-openapi@npm:1.1.4"
   dependencies:
-    "@asteasolutions/zod-to-openapi": "npm:^7.1.0"
-    "@hono/zod-validator": "npm:^0.4.1"
+    "@asteasolutions/zod-to-openapi": "npm:^8.1.0"
+    "@hono/zod-validator": "npm:^0.7.4"
+    openapi3-ts: "npm:^4.5.0"
   peerDependencies:
     hono: ">=4.3.6"
-    zod: 3.*
-  checksum: 10c0/f46e6add2ee21a7538556ae417846acde8844e0e854b3a95aab96e44e4c915407e6ae316bec36eb12b10155431efc12000dc93b79e1523735b9be898ceb25234
+    zod: ^4.0.0
+  checksum: 10c0/c77abee5f0d4863f67b4beb6f044106f892197640fd6a4fab87a24f04fb5d9f0d6127be5b771f36e75f8717b0019fc1012c21a1ac0b76338dd9b8188737a1e02
   languageName: node
   linkType: hard
 
-"@hono/zod-validator@npm:^0.4.1":
-  version: 0.4.1
-  resolution: "@hono/zod-validator@npm:0.4.1"
+"@hono/zod-validator@npm:^0.7.4":
+  version: 0.7.4
+  resolution: "@hono/zod-validator@npm:0.7.4"
   peerDependencies:
     hono: ">=3.9.0"
-    zod: ^3.19.1
-  checksum: 10c0/30c23d247806f5775e85b42f3ae6634edcadf9e17f62ef085812c6710f57f2e856fe23b14b1cff686f442a3d298024551b5c2affd28301a08f9c8bfea966c073
+    zod: ^3.25.0 || ^4.0.0
+  checksum: 10c0/c5b24eaee784f75cb85342e9c927d6ea961d0a2161ecda75942de8a7094b9133d8142a8f5fcd511bf9be56d336e953dc6e968b1e7706ccf0af00399a4a41c7cd
   languageName: node
   linkType: hard
 
@@ -3510,6 +3511,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"openapi3-ts@npm:^4.5.0":
+  version: 4.5.0
+  resolution: "openapi3-ts@npm:4.5.0"
+  dependencies:
+    yaml: "npm:^2.8.0"
+  checksum: 10c0/97de2d24e9ceffb89e1388e137e4a6e17ee57a02dce0c938a5e98b1338ac72b31e8b2ce8dd28945ad43fae8bee2a145892cb548ba5ae60b0930f1b6b79b0747d
+  languageName: node
+  linkType: hard
+
 "optionator@npm:^0.9.3":
   version: 0.9.4
   resolution: "optionator@npm:0.9.4"
@@ -3869,7 +3879,7 @@ __metadata:
     "@hono/node-server": "npm:^1.14.1"
     "@hono/sentry": "npm:^1.2.1"
     "@hono/swagger-ui": "npm:0.5.1"
-    "@hono/zod-openapi": "npm:^0.18.1"
+    "@hono/zod-openapi": "npm:^1.1.4"
     "@react-email/components": "npm:0.0.41"
     "@react-email/render": "npm:1.1.2"
     "@types/html-to-text": "npm:^9.0.4"
@@ -4572,6 +4582,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"yaml@npm:^2.8.0":
+  version: 2.8.1
+  resolution: "yaml@npm:2.8.1"
+  bin:
+    yaml: bin.mjs
+  checksum: 10c0/7c587be00d9303d2ae1566e03bc5bc7fe978ba0d9bf39cc418c3139d37929dfcb93a230d9749f2cb578b6aa5d9ebebc322415e4b653cb83acd8bc0bc321707f3
+  languageName: node
+  linkType: hard
+
 "yocto-queue@npm:^0.1.0":
   version: 0.1.0
   resolution: "yocto-queue@npm:0.1.0"