diff --git a/SetUserSessionLockActivity/__tests__/handler.test.ts b/SetUserSessionLockActivity/__tests__/handler.test.ts
index 74170775..cd82eb30 100644
--- a/SetUserSessionLockActivity/__tests__/handler.test.ts
+++ b/SetUserSessionLockActivity/__tests__/handler.test.ts
@@ -5,7 +5,7 @@ import * as t from "io-ts";
 import { readableReport } from "@pagopa/ts-commons/lib/reporters";
 import { context } from "../../__mocks__/durable-functions";
 import { aFiscalCode } from "../../__mocks__/mocks";
-import { SuccessResponse } from "../../generated/session-api/SuccessResponse";
+import { SuccessResponse } from "@pagopa/io-backend-session-sdk/SuccessResponse";
 import { Client } from "../../utils/sessionApiClient";
 import {
   ActivityInput,
diff --git a/SetUserSessionLockActivity/handler.ts b/SetUserSessionLockActivity/handler.ts
index 371d294c..63741700 100644
--- a/SetUserSessionLockActivity/handler.ts
+++ b/SetUserSessionLockActivity/handler.ts
@@ -9,7 +9,7 @@ import * as t from "io-ts";
 import { readableReport } from "@pagopa/ts-commons/lib/reporters";
 import { FiscalCode } from "@pagopa/ts-commons/lib/strings";
 import { flow, pipe } from "fp-ts/lib/function";
-import { SuccessResponse } from "../generated/session-api/SuccessResponse";
+import { SuccessResponse } from "@pagopa/io-backend-session-sdk/SuccessResponse";
 import { Client } from "../utils/sessionApiClient";
 
 // eslint-disable-next-line prefer-arrow/prefer-arrow-functions
diff --git a/package.json b/package.json
index 72b10f2c..cf8df41c 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,6 @@
     "dist:zip": "zip -r dist.zip . --exclude @.funcignore --exclude .funcignore",
     "predeploy": "npm-run-all generate build dist:modules",
     "generate:definitions": "rimraf ./generated/definitions && shx mkdir -p ./generated/definitions && gen-api-models --api-spec ./openapi/index.yaml --out-dir ./generated/definitions",
-    "generate:session-api": "rimraf ./generated/session-api && gen-api-models --api-spec https://raw.githubusercontent.com/pagopa/io-backend/v7.19.3/api_session.yaml --out-dir ./generated/session-api --request-types --response-decoders",
     "generate": "npm-run-all generate:*",
     "preversion": "auto-changelog  --config .auto-changelog.json --unreleased --commit-limit false --stdout --template preview.hbs",
     "version": "auto-changelog -p --config .auto-changelog.json --unreleased && git add CHANGELOG.md"
@@ -62,6 +61,7 @@
     "@azure/ms-rest-js": "^2.6.4",
     "@azure/ms-rest-nodeauth": "^2.0.6",
     "@pagopa/express-azure-functions": "^2.0.0",
+    "@pagopa/io-backend-session-sdk": "x",
     "@pagopa/io-functions-commons": "^25.5.2",
     "@pagopa/ts-commons": "^10.9.0",
     "@types/archiver": "^3.1.1",
diff --git a/utils/__tests__/sessionApiClient.test.ts b/utils/__tests__/sessionApiClient.test.ts
index 18bc1c9e..dbe12ea6 100644
--- a/utils/__tests__/sessionApiClient.test.ts
+++ b/utils/__tests__/sessionApiClient.test.ts
@@ -3,8 +3,8 @@
 import { readableReport } from "@pagopa/ts-commons/lib/reporters";
 import { aFiscalCode } from "../../__mocks__/mocks";
 import { createMockFetch } from "../../__mocks__/node-fetch";
-import { ProblemJson } from "../../generated/session-api/ProblemJson";
-import { SuccessResponse } from "../../generated/session-api/SuccessResponse";
+import { ProblemJson } from "@pagopa/io-backend-session-sdk/ProblemJson";
+import { SuccessResponse } from "@pagopa/io-backend-session-sdk/SuccessResponse";
 import { createClient, WithDefaultsT } from "../sessionApiClient";
 import * as E from "fp-ts/lib/Either";
 import { pipe } from "fp-ts/lib/function";
diff --git a/utils/sessionApiClient.ts b/utils/sessionApiClient.ts
index 17801162..8714f11d 100644
--- a/utils/sessionApiClient.ts
+++ b/utils/sessionApiClient.ts
@@ -18,7 +18,7 @@ import {
   lockUserSessionDefaultDecoder,
   UnlockUserSessionT,
   unlockUserSessionDefaultDecoder
-} from "../generated/session-api/requestTypes";
+} from "@pagopa/io-backend-session-sdk/requestTypes";
 import { identity } from "fp-ts/lib/function";
 
 export type ApiOperation = TypeofApiCall<LockUserSessionT> &
diff --git a/yarn.lock b/yarn.lock
index e62ed65c..cc751d54 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -984,6 +984,15 @@
   resolved "https://registry.yarnpkg.com/@pagopa/express-azure-functions/-/express-azure-functions-2.0.0.tgz#eb52a0b997d931c1509372e2a9bea22a8ca85c17"
   integrity sha512-IFZqtk0e2sfkMZIxYqPORzxcKRkbIrVJesR6eMLNwzh1rA4bl2uh9ZHk1m55LNq4ZmaxREDu+1JcGlIaZQgKNQ==
 
+"@pagopa/io-backend-session-sdk@x":
+  version "9.7.0"
+  resolved "https://registry.yarnpkg.com/@pagopa/io-backend-session-sdk/-/io-backend-session-sdk-9.7.0.tgz#e32d3f1dcde5feb47ebedae992971485b98f2be6"
+  integrity sha512-xiRkZQrQN3LzcZ1cwV2ZTMASImHrjUoOTwvzKinQd5DvuyUYxTUBH4KrLQdFIhozjG0s9fzX9Becon9TJUjdKQ==
+  dependencies:
+    "@pagopa/ts-commons" "^10.0.0"
+    fp-ts "^2.10.5"
+    io-ts "^2.2.16"
+
 "@pagopa/io-functions-commons@^25.5.2":
   version "25.5.2"
   resolved "https://registry.yarnpkg.com/@pagopa/io-functions-commons/-/io-functions-commons-25.5.2.tgz#5bb04ded9551100ba2477ee6207735e82362368e"