diff --git a/.circleci/test-deploy.yml b/.circleci/test-deploy.yml
index 9edf18e..70bd9fc 100644
--- a/.circleci/test-deploy.yml
+++ b/.circleci/test-deploy.yml
@@ -176,16 +176,21 @@ jobs:
           pkg-manager: yarn
           cache-version: yarn-v3
           app-dir: "~/project/sample"
+      - run: yarn --version
       - run: cd ~/project/sample && yarn test
   integration-test-yarn-berry:
+    environment:
+      YARN_ENABLE_IMMUTABLE_INSTALLS: false
     executor:
       name: node/default
     steps:
       - checkout
+      - run: mv ~/project/sample/package-berry.json ~/project/sample/package.json
       - node/install-packages:
           pkg-manager: yarn-berry
-          cache-version: yarn-berry-v1
+          cache-version: yarn-berry-v2
           app-dir: "~/project/sample"
+          override-ci-command: yarn install
       - run: cd ~/project/sample && yarn test
 
 workflows:
diff --git a/sample/package-berry.json b/sample/package-berry.json
new file mode 100644
index 0000000..523e443
--- /dev/null
+++ b/sample/package-berry.json
@@ -0,0 +1,42 @@
+{
+  "name": "opd-server",
+  "packageManager": "yarn@4.3.0",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "dev": "nodemon --watch 'src/**/*.ts' --exec 'ts-node --require dotenv/config' src/index.ts",
+    "build": "tsc -h",
+    "start": "node dist/index.js",
+    "test": "jest jest-tests",
+    "testmocha": "mocha mocha-tests",
+    "test:coverage": "jest --coverage jest-tests"
+  },
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@types/cors": "^2.8.12",
+    "@types/dotenv": "^8.2.0",
+    "@types/express": "^4.17.13",
+    "@types/node": "^17.0.0",
+    "@types/node-fetch": "^3.0.2",
+    "jest": "^27.4.5",
+    "jest-junit": "^13.0.0",
+    "mocha-junit-reporter": "2.0.2",
+    "mocha-multi": "1.1.5",
+    "nodemon": "^2.0.20",
+    "ts-node": "^10.4.0",
+    "tslint": "^6.1.1",
+    "typescript": "^4.5.4"
+  },
+  "dependencies": {
+    "axios": "^0.28.0",
+    "axios-logger": "^2.6.0",
+    "cors": "^2.8.5",
+    "dotenv": "^10.0.0",
+    "express": "^4.19.2",
+    "mocha": "^9.1.3",
+    "node-fetch": "^3.2.10",
+    "yaml": "^1.10.2"
+  }
+}
diff --git a/src/commands/install-packages.yml b/src/commands/install-packages.yml
index c521b0d..a4253b0 100644
--- a/src/commands/install-packages.yml
+++ b/src/commands/install-packages.yml
@@ -7,7 +7,9 @@ parameters:
         type: enum
         enum: ['npm', 'yarn', 'yarn-berry', 'pnpm']
         default: 'npm'
-        description: Select the default node package manager to use. NPM v5+ Required.
+        description: |
+            Select the default node package manager to use. NPM v5+ Required.
+            To use yarn-berry your package.json must have packageManager set to a yarn berry version, otherwise it will use old yarn.
     with-cache:
         type: boolean
         default: true
diff --git a/src/scripts/packages/yarn-berry-install.sh b/src/scripts/packages/yarn-berry-install.sh
index a28398b..a095ce4 100644
--- a/src/scripts/packages/yarn-berry-install.sh
+++ b/src/scripts/packages/yarn-berry-install.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-
+corepack enable --install-directory ~/bin
 # Run override ci command if provided, otherwise run default yarn install
 # See: https://yarnpkg.com/configuration/yarnrc/#cacheFolder
 if [[ -n "$PARAM_CACHE_PATH" ]]; then
@@ -33,12 +33,12 @@ else
             set -- "$@" --check-cache
         fi
 
-        yarn install --immutable --immutable-cache "$@"
+        echo y | yarn install --immutable --immutable-cache "$@"
 
         if [[ "$PARAM_CHECK_CACHE" == "detect" && -n "$ENABLE_CHECK_CACHE" ]]; then
             cp yarn.lock "$YARN_LOCKFILE_PATH"
         fi
     else
-        yarn install --immutable
+        echo y | yarn install --immutable
     fi
 fi
\ No newline at end of file