diff --git a/package.json b/package.json
index 483496c..558f98f 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,7 @@
 		"@nestjs/typeorm": "^9.0.0",
 		"argon2": "^0.28.7",
 		"axios": "^0.27.2",
+		"dto": "./dto",
 		"jsonwebtoken": "^8.5.1",
 		"nodemailer": "^6.7.8",
 		"notp": "^2.0.3",
diff --git a/yarn.lock b/yarn.lock
index 7ff7215..032b637 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1985,6 +1985,19 @@ cjs-module-lexer@^1.0.0:
   resolved "https://registry.yarnpkg.com/cjs-module-lexer/-/cjs-module-lexer-1.2.2.tgz#9f84ba3244a512f3a54e5277e8eef4c489864e40"
   integrity sha512-cOU9usZw8/dXIXKtwa8pM0OTJQuJkxMN6w30csNRUerHfeQ5R6U3kkU/FtJeIf3M202OHfY2U8ccInBG7/xogA==
 
+class-transformer@^0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/class-transformer/-/class-transformer-0.5.1.tgz#24147d5dffd2a6cea930a3250a677addf96ab336"
+  integrity sha512-SQa1Ws6hUbfC98vKGxZH3KFY0Y1lm5Zm0SY8XX9zbK7FJCyVEac3ATW0RIpwzW+oOfmHE5PMPufDG9hCfoEOMw==
+
+class-validator@^0.13.2:
+  version "0.13.2"
+  resolved "https://registry.yarnpkg.com/class-validator/-/class-validator-0.13.2.tgz#64b031e9f3f81a1e1dcd04a5d604734608b24143"
+  integrity sha512-yBUcQy07FPlGzUjoLuUfIOXzgynnQPPruyK1Ge2B74k9ROwnle1E+NxLWnUv5OLU8hA/qL5leAE9XnXq3byaBw==
+  dependencies:
+    libphonenumber-js "^1.9.43"
+    validator "^13.7.0"
+
 clean-stack@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/clean-stack/-/clean-stack-2.2.0.tgz#ee8472dbb129e727b31e8a10a427dee9dfe4008b"
@@ -2330,6 +2343,12 @@ dotenv@^16.0.0:
   resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.0.1.tgz#8f8f9d94876c35dac989876a5d3a82a267fdce1d"
   integrity sha512-1K6hR6wtk2FviQ4kEiSjFiH5rpzEVi8WW0x96aztHVMhEspNpc4DVOUTEHtEva5VThQ8IaBX1Pe4gSzpVVUsKQ==
 
+dto@./dto:
+  version "1.0.0"
+  dependencies:
+    class-transformer "^0.5.1"
+    class-validator "^0.13.2"
+
 ecdsa-sig-formatter@1.0.11:
   version "1.0.11"
   resolved "https://registry.yarnpkg.com/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz#ae0f0fa2d85045ef14a817daa3ce9acd0489e5bf"
@@ -3901,6 +3920,11 @@ levn@^0.4.1:
     prelude-ls "^1.2.1"
     type-check "~0.4.0"
 
+libphonenumber-js@^1.9.43:
+  version "1.10.13"
+  resolved "https://registry.yarnpkg.com/libphonenumber-js/-/libphonenumber-js-1.10.13.tgz#0b5833c7fdbf671140530d83531c6753f7e0ea3c"
+  integrity sha512-b74iyWmwb4GprAUPjPkJ11GTC7KX4Pd3onpJfKxYyY8y9Rbb4ERY47LvCMEDM09WD3thiLDMXtkfDK/AX+zT7Q==
+
 light-my-request@5.4.0:
   version "5.4.0"
   resolved "https://registry.yarnpkg.com/light-my-request/-/light-my-request-5.4.0.tgz#bcd483a9157592b16101cb2042275ca89b79aec1"
@@ -5669,6 +5693,11 @@ v8-to-istanbul@^9.0.1:
     "@types/istanbul-lib-coverage" "^2.0.1"
     convert-source-map "^1.6.0"
 
+validator@^13.7.0:
+  version "13.7.0"
+  resolved "https://registry.yarnpkg.com/validator/-/validator-13.7.0.tgz#4f9658ba13ba8f3d82ee881d3516489ea85c0857"
+  integrity sha512-nYXQLCBkpJ8X6ltALua9dRrZDHVYxjJ1wgskNt1lH9fzGjs3tgojGSCBjmEPwkWS1y29+DrizMTW19Pr9uB2nw==
+
 walker@^1.0.8:
   version "1.0.8"
   resolved "https://registry.yarnpkg.com/walker/-/walker-1.0.8.tgz#bd498db477afe573dc04185f011d3ab8a8d7653f"