diff --git a/package.json b/package.json index a2c41fa7360af8..668f4e4c6a966a 100644 --- a/package.json +++ b/package.json @@ -175,7 +175,8 @@ "instrument": false }, "engines": { - "node": ">=8.0.0" + "node": ">=8.0.0", + "yarn": "^1.4.0" }, "workspaces": [ "packages/*" diff --git a/packages/material-ui-codemod/package.json b/packages/material-ui-codemod/package.json index ab42de6e76eb53..b91573f14d274a 100644 --- a/packages/material-ui-codemod/package.json +++ b/packages/material-ui-codemod/package.json @@ -34,6 +34,7 @@ "access": "public" }, "engines": { - "node": ">=6.0.0" + "node": ">=6.0.0", + "yarn": "^1.4.0" } } diff --git a/packages/material-ui-docs/package.json b/packages/material-ui-docs/package.json index 147af531c463c7..3739820508cdc9 100644 --- a/packages/material-ui-docs/package.json +++ b/packages/material-ui-docs/package.json @@ -45,6 +45,7 @@ "access": "public" }, "engines": { - "node": ">=6.0.0" + "node": ">=6.0.0", + "yarn": "^1.4.0" } } diff --git a/packages/material-ui-icons/package.json b/packages/material-ui-icons/package.json index 75c701b710da00..0964695009414c 100644 --- a/packages/material-ui-icons/package.json +++ b/packages/material-ui-icons/package.json @@ -57,6 +57,7 @@ "access": "public" }, "engines": { - "node": ">=6.0.0" + "node": ">=6.0.0", + "yarn": "^1.4.0" } } diff --git a/packages/material-ui-lab/package.json b/packages/material-ui-lab/package.json index f845f07b6e0212..bea1c990dfe218 100644 --- a/packages/material-ui-lab/package.json +++ b/packages/material-ui-lab/package.json @@ -49,6 +49,7 @@ "access": "public" }, "engines": { - "node": ">=6.0.0" + "node": ">=6.0.0", + "yarn": "^1.4.0" } } diff --git a/packages/material-ui/package.json b/packages/material-ui/package.json index 023ac03a0c496f..b79e9721c553eb 100644 --- a/packages/material-ui/package.json +++ b/packages/material-ui/package.json @@ -67,6 +67,7 @@ "access": "public" }, "engines": { - "node": ">=6.0.0" + "node": ">=6.0.0", + "yarn": "^1.4.0" } }