diff --git a/package.json b/package.json
index 30ba195a00..6d11eb2c2b 100644
--- a/package.json
+++ b/package.json
@@ -135,6 +135,9 @@
       "react": "React",
       "react/jsx-runtime": "ReactJSX",
       "react/jsx-dev-runtime": "ReactJSXDev"
+    },
+    "___experimentalFlags_WILL_CHANGE_IN_PATCH": {
+      "exports": true
     }
   },
   "bugs": {
@@ -187,7 +190,7 @@
     "@manypkg/cli": "^0.16.1",
     "@mdx-js/mdx": "^1.6.22",
     "@mdx-js/react": "^1.6.22",
-    "@preconstruct/cli": "^2.1.5",
+    "@preconstruct/cli": "^2.1.8",
     "@testing-library/react": "13.0.0-alpha.5",
     "@types/jest": "^27.0.3",
     "@types/node": "^10.11.4",
diff --git a/packages/cache/package.json b/packages/cache/package.json
index 17926fa7a5..fda7706993 100644
--- a/packages/cache/package.json
+++ b/packages/cache/package.json
@@ -8,6 +8,25 @@
     "./dist/emotion-cache.cjs.js": "./dist/emotion-cache.browser.cjs.js",
     "./dist/emotion-cache.esm.js": "./dist/emotion-cache.browser.esm.js"
   },
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "production": {
+          "module": "./dist/emotion-cache.browser.esm.prod.js",
+          "default": "./dist/emotion-cache.browser.cjs.prod.js"
+        },
+        "module": "./dist/emotion-cache.browser.esm.dev.js",
+        "default": "./dist/emotion-cache.browser.cjs.js"
+      },
+      "production": {
+        "module": "./dist/emotion-cache.esm.prod.js",
+        "default": "./dist/emotion-cache.cjs.prod.js"
+      },
+      "module": "./dist/emotion-cache.esm.dev.js",
+      "default": "./dist/emotion-cache.cjs.js"
+    }
+  },
   "types": "types/index.d.ts",
   "license": "MIT",
   "repository": "https://github.com/emotion-js/emotion/tree/main/packages/cache",
@@ -33,5 +52,13 @@
     "src",
     "dist",
     "types/*.d.ts"
-  ]
+  ],
+  "preconstruct": {
+    "exports": {
+      "envConditoins": [
+        "browser",
+        "worker"
+      ]
+    }
+  }
 }
diff --git a/packages/css/package.json b/packages/css/package.json
index 7bea4af24b..621c650921 100644
--- a/packages/css/package.json
+++ b/packages/css/package.json
@@ -52,11 +52,52 @@
     "url": "https://github.com/emotion-js/emotion/issues"
   },
   "umd:main": "dist/emotion-css.umd.min.js",
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "production": {
+          "module": "./dist/emotion-css.browser.esm.prod.js",
+          "default": "./dist/emotion-css.browser.cjs.prod.js"
+        },
+        "module": "./dist/emotion-css.browser.esm.dev.js",
+        "default": "./dist/emotion-css.browser.cjs.js"
+      },
+      "production": {
+        "module": "./dist/emotion-css.esm.prod.js",
+        "default": "./dist/emotion-css.cjs.prod.js"
+      },
+      "module": "./dist/emotion-css.esm.dev.js",
+      "default": "./dist/emotion-css.cjs.js"
+    },
+    "./create-instance": {
+      "browser": {
+        "production": {
+          "module": "./create-instance/dist/emotion-css-create-instance.browser.esm.prod.js",
+          "default": "./create-instance/dist/emotion-css-create-instance.browser.cjs.prod.js"
+        },
+        "module": "./create-instance/dist/emotion-css-create-instance.browser.esm.dev.js",
+        "default": "./create-instance/dist/emotion-css-create-instance.browser.cjs.js"
+      },
+      "production": {
+        "module": "./create-instance/dist/emotion-css-create-instance.esm.prod.js",
+        "default": "./create-instance/dist/emotion-css-create-instance.cjs.prod.js"
+      },
+      "module": "./create-instance/dist/emotion-css-create-instance.esm.dev.js",
+      "default": "./create-instance/dist/emotion-css-create-instance.cjs.js"
+    }
+  },
   "preconstruct": {
     "umdName": "emotion",
     "entrypoints": [
       "./index.js",
       "./create-instance.js"
-    ]
+    ],
+    "exports": {
+      "envConditoins": [
+        "browser",
+        "worker"
+      ]
+    }
   }
 }
diff --git a/packages/is-prop-valid/package.json b/packages/is-prop-valid/package.json
index 1d56f76ef6..cd266b560f 100644
--- a/packages/is-prop-valid/package.json
+++ b/packages/is-prop-valid/package.json
@@ -28,5 +28,32 @@
   "browser": {
     "./dist/emotion-is-prop-valid.cjs.js": "./dist/emotion-is-prop-valid.browser.cjs.js",
     "./dist/emotion-is-prop-valid.esm.js": "./dist/emotion-is-prop-valid.browser.esm.js"
+  },
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "production": {
+          "module": "./dist/emotion-is-prop-valid.browser.esm.prod.js",
+          "default": "./dist/emotion-is-prop-valid.browser.cjs.prod.js"
+        },
+        "module": "./dist/emotion-is-prop-valid.browser.esm.dev.js",
+        "default": "./dist/emotion-is-prop-valid.browser.cjs.js"
+      },
+      "production": {
+        "module": "./dist/emotion-is-prop-valid.esm.prod.js",
+        "default": "./dist/emotion-is-prop-valid.cjs.prod.js"
+      },
+      "module": "./dist/emotion-is-prop-valid.esm.dev.js",
+      "default": "./dist/emotion-is-prop-valid.cjs.js"
+    }
+  },
+  "preconstruct": {
+    "exports": {
+      "envConditoins": [
+        "browser",
+        "worker"
+      ]
+    }
   }
 }
diff --git a/packages/memoize/package.json b/packages/memoize/package.json
index b0c5638ba9..43f203f267 100644
--- a/packages/memoize/package.json
+++ b/packages/memoize/package.json
@@ -25,5 +25,32 @@
   "browser": {
     "./dist/emotion-memoize.cjs.js": "./dist/emotion-memoize.browser.cjs.js",
     "./dist/emotion-memoize.esm.js": "./dist/emotion-memoize.browser.esm.js"
+  },
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "production": {
+          "module": "./dist/emotion-memoize.browser.esm.prod.js",
+          "default": "./dist/emotion-memoize.browser.cjs.prod.js"
+        },
+        "module": "./dist/emotion-memoize.browser.esm.dev.js",
+        "default": "./dist/emotion-memoize.browser.cjs.js"
+      },
+      "production": {
+        "module": "./dist/emotion-memoize.esm.prod.js",
+        "default": "./dist/emotion-memoize.cjs.prod.js"
+      },
+      "module": "./dist/emotion-memoize.esm.dev.js",
+      "default": "./dist/emotion-memoize.cjs.js"
+    }
+  },
+  "preconstruct": {
+    "exports": {
+      "envConditoins": [
+        "browser",
+        "worker"
+      ]
+    }
   }
 }
diff --git a/packages/primitives-core/package.json b/packages/primitives-core/package.json
index 852a4b9267..4e952a9cbd 100644
--- a/packages/primitives-core/package.json
+++ b/packages/primitives-core/package.json
@@ -43,5 +43,32 @@
   "browser": {
     "./dist/emotion-primitives-core.cjs.js": "./dist/emotion-primitives-core.browser.cjs.js",
     "./dist/emotion-primitives-core.esm.js": "./dist/emotion-primitives-core.browser.esm.js"
+  },
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "production": {
+          "module": "./dist/emotion-primitives-core.browser.esm.prod.js",
+          "default": "./dist/emotion-primitives-core.browser.cjs.prod.js"
+        },
+        "module": "./dist/emotion-primitives-core.browser.esm.dev.js",
+        "default": "./dist/emotion-primitives-core.browser.cjs.js"
+      },
+      "production": {
+        "module": "./dist/emotion-primitives-core.esm.prod.js",
+        "default": "./dist/emotion-primitives-core.cjs.prod.js"
+      },
+      "module": "./dist/emotion-primitives-core.esm.dev.js",
+      "default": "./dist/emotion-primitives-core.cjs.js"
+    }
+  },
+  "preconstruct": {
+    "exports": {
+      "envConditoins": [
+        "browser",
+        "worker"
+      ]
+    }
   }
 }
diff --git a/packages/primitives/package.json b/packages/primitives/package.json
index 05b47a94f2..598dea1794 100644
--- a/packages/primitives/package.json
+++ b/packages/primitives/package.json
@@ -53,5 +53,32 @@
   "browser": {
     "./dist/emotion-primitives.cjs.js": "./dist/emotion-primitives.browser.cjs.js",
     "./dist/emotion-primitives.esm.js": "./dist/emotion-primitives.browser.esm.js"
+  },
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "production": {
+          "module": "./dist/emotion-primitives.browser.esm.prod.js",
+          "default": "./dist/emotion-primitives.browser.cjs.prod.js"
+        },
+        "module": "./dist/emotion-primitives.browser.esm.dev.js",
+        "default": "./dist/emotion-primitives.browser.cjs.js"
+      },
+      "production": {
+        "module": "./dist/emotion-primitives.esm.prod.js",
+        "default": "./dist/emotion-primitives.cjs.prod.js"
+      },
+      "module": "./dist/emotion-primitives.esm.dev.js",
+      "default": "./dist/emotion-primitives.cjs.js"
+    }
+  },
+  "preconstruct": {
+    "exports": {
+      "envConditoins": [
+        "browser",
+        "worker"
+      ]
+    }
   }
 }
diff --git a/packages/react/package.json b/packages/react/package.json
index 359967d82e..0cb55da48f 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -7,6 +7,73 @@
     "./dist/emotion-react.cjs.js": "./dist/emotion-react.browser.cjs.js",
     "./dist/emotion-react.esm.js": "./dist/emotion-react.browser.esm.js"
   },
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "production": {
+          "module": "./dist/emotion-react.browser.esm.prod.js",
+          "default": "./dist/emotion-react.browser.cjs.prod.js"
+        },
+        "module": "./dist/emotion-react.browser.esm.dev.js",
+        "default": "./dist/emotion-react.browser.cjs.js"
+      },
+      "production": {
+        "module": "./dist/emotion-react.esm.prod.js",
+        "default": "./dist/emotion-react.cjs.prod.js"
+      },
+      "module": "./dist/emotion-react.esm.dev.js",
+      "default": "./dist/emotion-react.cjs.js"
+    },
+    "./jsx-runtime": {
+      "browser": {
+        "production": {
+          "module": "./jsx-runtime/dist/emotion-react-jsx-runtime.browser.esm.prod.js",
+          "default": "./jsx-runtime/dist/emotion-react-jsx-runtime.browser.cjs.prod.js"
+        },
+        "module": "./jsx-runtime/dist/emotion-react-jsx-runtime.browser.esm.dev.js",
+        "default": "./jsx-runtime/dist/emotion-react-jsx-runtime.browser.cjs.js"
+      },
+      "production": {
+        "module": "./jsx-runtime/dist/emotion-react-jsx-runtime.esm.prod.js",
+        "default": "./jsx-runtime/dist/emotion-react-jsx-runtime.cjs.prod.js"
+      },
+      "module": "./jsx-runtime/dist/emotion-react-jsx-runtime.esm.dev.js",
+      "default": "./jsx-runtime/dist/emotion-react-jsx-runtime.cjs.js"
+    },
+    "./jsx-dev-runtime": {
+      "browser": {
+        "production": {
+          "module": "./jsx-dev-runtime/dist/emotion-react-jsx-dev-runtime.browser.esm.prod.js",
+          "default": "./jsx-dev-runtime/dist/emotion-react-jsx-dev-runtime.browser.cjs.prod.js"
+        },
+        "module": "./jsx-dev-runtime/dist/emotion-react-jsx-dev-runtime.browser.esm.dev.js",
+        "default": "./jsx-dev-runtime/dist/emotion-react-jsx-dev-runtime.browser.cjs.js"
+      },
+      "production": {
+        "module": "./jsx-dev-runtime/dist/emotion-react-jsx-dev-runtime.esm.prod.js",
+        "default": "./jsx-dev-runtime/dist/emotion-react-jsx-dev-runtime.cjs.prod.js"
+      },
+      "module": "./jsx-dev-runtime/dist/emotion-react-jsx-dev-runtime.esm.dev.js",
+      "default": "./jsx-dev-runtime/dist/emotion-react-jsx-dev-runtime.cjs.js"
+    },
+    "./_isolated-hnrs": {
+      "browser": {
+        "production": {
+          "module": "./_isolated-hnrs/dist/emotion-react-_isolated-hnrs.browser.esm.prod.js",
+          "default": "./_isolated-hnrs/dist/emotion-react-_isolated-hnrs.browser.cjs.prod.js"
+        },
+        "module": "./_isolated-hnrs/dist/emotion-react-_isolated-hnrs.browser.esm.dev.js",
+        "default": "./_isolated-hnrs/dist/emotion-react-_isolated-hnrs.browser.cjs.js"
+      },
+      "production": {
+        "module": "./_isolated-hnrs/dist/emotion-react-_isolated-hnrs.esm.prod.js",
+        "default": "./_isolated-hnrs/dist/emotion-react-_isolated-hnrs.cjs.prod.js"
+      },
+      "module": "./_isolated-hnrs/dist/emotion-react-_isolated-hnrs.esm.dev.js",
+      "default": "./_isolated-hnrs/dist/emotion-react-_isolated-hnrs.cjs.js"
+    }
+  },
   "types": "types/index.d.ts",
   "files": [
     "src",
@@ -70,6 +137,12 @@
       "./jsx-dev-runtime.js",
       "./_isolated-hnrs.js"
     ],
-    "umdName": "emotionReact"
+    "umdName": "emotionReact",
+    "exports": {
+      "envConditoins": [
+        "browser",
+        "worker"
+      ]
+    }
   }
 }
diff --git a/packages/serialize/package.json b/packages/serialize/package.json
index e2fb1dee3d..cdb19970ab 100644
--- a/packages/serialize/package.json
+++ b/packages/serialize/package.json
@@ -32,5 +32,32 @@
   "browser": {
     "./dist/emotion-serialize.cjs.js": "./dist/emotion-serialize.browser.cjs.js",
     "./dist/emotion-serialize.esm.js": "./dist/emotion-serialize.browser.esm.js"
+  },
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "production": {
+          "module": "./dist/emotion-serialize.browser.esm.prod.js",
+          "default": "./dist/emotion-serialize.browser.cjs.prod.js"
+        },
+        "module": "./dist/emotion-serialize.browser.esm.dev.js",
+        "default": "./dist/emotion-serialize.browser.cjs.js"
+      },
+      "production": {
+        "module": "./dist/emotion-serialize.esm.prod.js",
+        "default": "./dist/emotion-serialize.cjs.prod.js"
+      },
+      "module": "./dist/emotion-serialize.esm.dev.js",
+      "default": "./dist/emotion-serialize.cjs.js"
+    }
+  },
+  "preconstruct": {
+    "exports": {
+      "envConditoins": [
+        "browser",
+        "worker"
+      ]
+    }
   }
 }
diff --git a/packages/server/package.json b/packages/server/package.json
index 768bc5e4a4..a0b0676e1c 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -54,10 +54,49 @@
   "browser": {
     "./dist/emotion-server.cjs.js": "./dist/emotion-server.browser.cjs.js"
   },
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "production": {
+          "module": "./dist/emotion-server.browser.esm.prod.js",
+          "default": "./dist/emotion-server.browser.cjs.prod.js"
+        },
+        "module": "./dist/emotion-server.browser.esm.dev.js",
+        "default": "./dist/emotion-server.browser.cjs.js"
+      },
+      "production": {
+        "module": "./dist/emotion-server.esm.prod.js",
+        "default": "./dist/emotion-server.cjs.prod.js"
+      },
+      "module": "./dist/emotion-server.esm.dev.js",
+      "default": "./dist/emotion-server.cjs.js"
+    },
+    "./create-instance/index": {
+      "browser": {
+        "production": {
+          "module": "./create-instance/index/dist/emotion-server-create-instance.browser.esm.prod.js",
+          "default": "./create-instance/index/dist/emotion-server-create-instance.browser.cjs.prod.js"
+        },
+        "module": "./create-instance/index/dist/emotion-server-create-instance.browser.esm.dev.js",
+        "default": "./create-instance/index/dist/emotion-server-create-instance.browser.cjs.js"
+      },
+      "production": {
+        "default": "./create-instance/index/dist/emotion-server-create-instance.cjs.prod.js"
+      },
+      "default": "./create-instance/index/dist/emotion-server-create-instance.cjs.js"
+    }
+  },
   "preconstruct": {
     "entrypoints": [
       "./index.js",
       "./create-instance/index.js"
-    ]
+    ],
+    "exports": {
+      "envConditoins": [
+        "browser",
+        "worker"
+      ]
+    }
   }
 }
diff --git a/packages/sheet/package.json b/packages/sheet/package.json
index a93b7cc557..f52d1f211a 100644
--- a/packages/sheet/package.json
+++ b/packages/sheet/package.json
@@ -8,6 +8,33 @@
     "./dist/emotion-sheet.cjs.js": "./dist/emotion-sheet.browser.cjs.js",
     "./dist/emotion-sheet.esm.js": "./dist/emotion-sheet.browser.esm.js"
   },
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "production": {
+          "module": "./dist/emotion-sheet.browser.esm.prod.js",
+          "default": "./dist/emotion-sheet.browser.cjs.prod.js"
+        },
+        "module": "./dist/emotion-sheet.browser.esm.dev.js",
+        "default": "./dist/emotion-sheet.browser.cjs.js"
+      },
+      "production": {
+        "module": "./dist/emotion-sheet.esm.prod.js",
+        "default": "./dist/emotion-sheet.cjs.prod.js"
+      },
+      "module": "./dist/emotion-sheet.esm.dev.js",
+      "default": "./dist/emotion-sheet.cjs.js"
+    }
+  },
+  "preconstruct": {
+    "exports": {
+      "envConditoins": [
+        "browser",
+        "worker"
+      ]
+    }
+  },
   "types": "types/index.d.ts",
   "license": "MIT",
   "scripts": {
diff --git a/packages/styled/package.json b/packages/styled/package.json
index 7a2fd56e30..9158435a87 100644
--- a/packages/styled/package.json
+++ b/packages/styled/package.json
@@ -54,11 +54,52 @@
     "./dist/emotion-styled.cjs.js": "./dist/emotion-styled.browser.cjs.js",
     "./dist/emotion-styled.esm.js": "./dist/emotion-styled.browser.esm.js"
   },
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "production": {
+          "module": "./dist/emotion-styled.browser.esm.prod.js",
+          "default": "./dist/emotion-styled.browser.cjs.prod.js"
+        },
+        "module": "./dist/emotion-styled.browser.esm.dev.js",
+        "default": "./dist/emotion-styled.browser.cjs.js"
+      },
+      "production": {
+        "module": "./dist/emotion-styled.esm.prod.js",
+        "default": "./dist/emotion-styled.cjs.prod.js"
+      },
+      "module": "./dist/emotion-styled.esm.dev.js",
+      "default": "./dist/emotion-styled.cjs.js"
+    },
+    "./base": {
+      "browser": {
+        "production": {
+          "module": "./base/dist/emotion-styled-base.browser.esm.prod.js",
+          "default": "./base/dist/emotion-styled-base.browser.cjs.prod.js"
+        },
+        "module": "./base/dist/emotion-styled-base.browser.esm.dev.js",
+        "default": "./base/dist/emotion-styled-base.browser.cjs.js"
+      },
+      "production": {
+        "module": "./base/dist/emotion-styled-base.esm.prod.js",
+        "default": "./base/dist/emotion-styled-base.cjs.prod.js"
+      },
+      "module": "./base/dist/emotion-styled-base.esm.dev.js",
+      "default": "./base/dist/emotion-styled-base.cjs.js"
+    }
+  },
   "preconstruct": {
     "umdName": "emotionStyled",
     "entrypoints": [
       "./index.js",
       "./base.js"
-    ]
+    ],
+    "exports": {
+      "envConditoins": [
+        "browser",
+        "worker"
+      ]
+    }
   }
 }
diff --git a/packages/unitless/package.json b/packages/unitless/package.json
index f2639670a3..aacf97c626 100644
--- a/packages/unitless/package.json
+++ b/packages/unitless/package.json
@@ -19,5 +19,32 @@
   "browser": {
     "./dist/emotion-unitless.cjs.js": "./dist/emotion-unitless.browser.cjs.js",
     "./dist/emotion-unitless.esm.js": "./dist/emotion-unitless.browser.esm.js"
+  },
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "production": {
+          "module": "./dist/emotion-unitless.browser.esm.prod.js",
+          "default": "./dist/emotion-unitless.browser.cjs.prod.js"
+        },
+        "module": "./dist/emotion-unitless.browser.esm.dev.js",
+        "default": "./dist/emotion-unitless.browser.cjs.js"
+      },
+      "production": {
+        "module": "./dist/emotion-unitless.esm.prod.js",
+        "default": "./dist/emotion-unitless.cjs.prod.js"
+      },
+      "module": "./dist/emotion-unitless.esm.dev.js",
+      "default": "./dist/emotion-unitless.cjs.js"
+    }
+  },
+  "preconstruct": {
+    "exports": {
+      "envConditoins": [
+        "browser",
+        "worker"
+      ]
+    }
   }
 }
diff --git a/packages/utils/package.json b/packages/utils/package.json
index 5367f4dce3..e6b519135c 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -8,6 +8,33 @@
     "./dist/emotion-utils.cjs.js": "./dist/emotion-utils.browser.cjs.js",
     "./dist/emotion-utils.esm.js": "./dist/emotion-utils.browser.esm.js"
   },
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "production": {
+          "module": "./dist/emotion-utils.browser.esm.prod.js",
+          "default": "./dist/emotion-utils.browser.cjs.prod.js"
+        },
+        "module": "./dist/emotion-utils.browser.esm.dev.js",
+        "default": "./dist/emotion-utils.browser.cjs.js"
+      },
+      "production": {
+        "module": "./dist/emotion-utils.esm.prod.js",
+        "default": "./dist/emotion-utils.cjs.prod.js"
+      },
+      "module": "./dist/emotion-utils.esm.dev.js",
+      "default": "./dist/emotion-utils.cjs.js"
+    }
+  },
+  "preconstruct": {
+    "exports": {
+      "envConditoins": [
+        "browser",
+        "worker"
+      ]
+    }
+  },
   "types": "types/index.d.ts",
   "license": "MIT",
   "scripts": {
diff --git a/packages/weak-memoize/package.json b/packages/weak-memoize/package.json
index f6b4e3b853..537c10ed19 100644
--- a/packages/weak-memoize/package.json
+++ b/packages/weak-memoize/package.json
@@ -25,5 +25,32 @@
   "browser": {
     "./dist/emotion-weak-memoize.cjs.js": "./dist/emotion-weak-memoize.browser.cjs.js",
     "./dist/emotion-weak-memoize.esm.js": "./dist/emotion-weak-memoize.browser.esm.js"
+  },
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "browser": {
+        "production": {
+          "module": "./dist/emotion-weak-memoize.browser.esm.prod.js",
+          "default": "./dist/emotion-weak-memoize.browser.cjs.prod.js"
+        },
+        "module": "./dist/emotion-weak-memoize.browser.esm.dev.js",
+        "default": "./dist/emotion-weak-memoize.browser.cjs.js"
+      },
+      "production": {
+        "module": "./dist/emotion-weak-memoize.esm.prod.js",
+        "default": "./dist/emotion-weak-memoize.cjs.prod.js"
+      },
+      "module": "./dist/emotion-weak-memoize.esm.dev.js",
+      "default": "./dist/emotion-weak-memoize.cjs.js"
+    }
+  },
+  "preconstruct": {
+    "exports": {
+      "envConditoins": [
+        "browser",
+        "worker"
+      ]
+    }
   }
 }
diff --git a/yarn.lock b/yarn.lock
index e08674d51e..8a96227ab7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5086,10 +5086,10 @@
     schema-utils "^2.6.5"
     source-map "^0.7.3"
 
-"@preconstruct/cli@^2.1.5":
-  version "2.1.5"
-  resolved "https://registry.yarnpkg.com/@preconstruct/cli/-/cli-2.1.5.tgz#f7f6d06809f382521589af15f67b87009b240c58"
-  integrity sha512-bMnGTkaotxq+xoOkXoUOfTFvxBX/ZUxukcacf3mx3G7Iz5m/T4ZGzSOU12pxl64e+rVWGTKlUsgaDSgyFkup0A==
+"@preconstruct/cli@^2.1.8":
+  version "2.1.8"
+  resolved "https://registry.yarnpkg.com/@preconstruct/cli/-/cli-2.1.8.tgz#7adb77d1db4e88b4bb33ce0ac31a3df5dc17d414"
+  integrity sha512-s5nrYvNxNDZOgwcjaNfqdkDClbKEDO15ZlH2l7CSunO99/Atj0kHSpKXho6mipJtSRYXGiMzOVN2qH7Dl29XzQ==
   dependencies:
     "@babel/code-frame" "^7.5.5"
     "@babel/core" "^7.7.7"
@@ -30601,8 +30601,10 @@ watchpack@^1.7.4:
   resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.7.5.tgz#1267e6c55e0b9b5be44c2023aed5437a2c26c453"
   integrity sha512-9P3MWk6SrKjHsGkLT2KHXdQ/9SNkyoJbabxnKOoJepsvJjJG8uYTR3yTPxPQvNDI3w4Nz1xnE0TLHK4RIVe/MQ==
   dependencies:
+    chokidar "^3.4.1"
     graceful-fs "^4.1.2"
     neo-async "^2.5.0"
+    watchpack-chokidar2 "^2.0.1"
   optionalDependencies:
     chokidar "^3.4.1"
     watchpack-chokidar2 "^2.0.1"