diff --git a/cli/package.json b/cli/package.json
index 5a3d368cb6..9a6b6f3e64 100644
--- a/cli/package.json
+++ b/cli/package.json
@@ -17,7 +17,8 @@
     "node": ">=10.0.0"
   },
   "scripts": {
-    "build": "mkdirp dist && babel ./src --out-dir=./dist",
+    "build:flow": "flow-copy-source --ignore '**/__tests__/**' src dist",
+    "build": "mkdirp dist && babel ./src --out-dir=./dist && yarn build:flow",
     "clean": "rimraf dist",
     "flow": "flow",
     "lint": "eslint .",
@@ -58,6 +59,7 @@
     "eslint-plugin-flowtype": "^8.0.3",
     "eslint-plugin-prettier": "^4.0.0",
     "flow-bin": "^0.165.1",
+    "flow-copy-source": "^2.0.9",
     "jest": "^27.3.1"
   },
   "keywords": [
diff --git a/cli/yarn.lock b/cli/yarn.lock
index f09e97f8ba..8f443f4ee8 100644
--- a/cli/yarn.lock
+++ b/cli/yarn.lock
@@ -1930,7 +1930,7 @@ charenc@~0.0.1:
   resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
   integrity sha1-wKHS86cJLgN3S/qD8UwPxXkKhmc=
 
-chokidar@^3.4.0:
+chokidar@^3.0.0, chokidar@^3.4.0:
   version "3.5.2"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.5.2.tgz#dba3976fcadb016f66fd365021d91600d01c1e75"
   integrity sha512-ekGhOnNVPgT77r4K/U3GDhu+FQ2S8TnK/s2KbIGXi0SZWuwkZ2QNyfWdZW+TVfn84DpEP7rLeCt2UI6bJ8GwbQ==
@@ -2515,6 +2515,17 @@ flow-bin@^0.165.1:
   resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.165.1.tgz#55d584b10fe1ed8299fe12be968a9e58810303ee"
   integrity sha512-AjmvNdY8oFsOb0ZQkYxFj3jnIzqrCIcMeuQCTYbTJuAJoCbz7GszOFzL0Sp2qcK2BcIYWnC4OJbLAQmnDjgI7A==
 
+flow-copy-source@^2.0.9:
+  version "2.0.9"
+  resolved "https://registry.yarnpkg.com/flow-copy-source/-/flow-copy-source-2.0.9.tgz#0c94ad842f2ae544d5a6b8ae720cee0b8678d742"
+  integrity sha512-7zX/oHSIHe8YRGiA9QIcC4SW6KF667ikdmiDfbST15up1Ona8dn7Xy0PmSrfw6ceBWDww8sRKlCLKsztStpYkQ==
+  dependencies:
+    chokidar "^3.0.0"
+    fs-extra "^8.1.0"
+    glob "^7.0.0"
+    kefir "^3.7.3"
+    yargs "^15.0.1"
+
 flowgen@^1.10.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/flowgen/-/flowgen-1.10.0.tgz#a041ae31d543d22166e7ba7c296b8445deb3c2e4"
@@ -3447,6 +3458,11 @@ jsonfile@^4.0.0:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
+kefir@^3.7.3:
+  version "3.8.8"
+  resolved "https://registry.yarnpkg.com/kefir/-/kefir-3.8.8.tgz#235932ddfbed422acebf5d7cba503035e9ea05c5"
+  integrity sha512-xWga7QCZsR2Wjy2vNL3Kq/irT+IwxwItEWycRRlT5yhqHZK2fmEhziP+LzcJBWSTAMranGKtGTQ6lFpyJS3+jA==
+
 keyv@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/keyv/-/keyv-4.0.0.tgz#2d1dab694926b2d427e4c74804a10850be44c12f"
@@ -4621,11 +4637,36 @@ yargs-parser@^16.1.0:
     camelcase "^5.0.0"
     decamelize "^1.2.0"
 
+yargs-parser@^18.1.2:
+  version "18.1.3"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-18.1.3.tgz#be68c4975c6b2abf469236b0c870362fab09a7b0"
+  integrity sha512-o50j0JeToy/4K6OZcaQmW6lyXXKhq7csREXcDwk2omFPJEwUNOVtJKvmDr9EI1fAJZUyZcRF7kxGBWmRXudrCQ==
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
 yargs-parser@^20.2.2:
   version "20.2.9"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-20.2.9.tgz#2eb7dc3b0289718fc295f362753845c41a0c94ee"
   integrity sha512-y11nGElTIV+CT3Zv9t7VKl+Q3hTQoT9a1Qzezhhl6Rp21gJ/IVTW7Z3y9EWXhuUBC2Shnf+DX0antecpAwSP8w==
 
+yargs@^15.0.1:
+  version "15.4.1"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-15.4.1.tgz#0d87a16de01aee9d8bec2bfbf74f67851730f4f8"
+  integrity sha512-aePbxDmcYW++PaqBsJ+HYUFwCdv4LVvdnhBy78E57PIor8/OVvhMrADFFEDh8DHDFRv/O9i3lPhsENjO7QX0+A==
+  dependencies:
+    cliui "^6.0.0"
+    decamelize "^1.2.0"
+    find-up "^4.1.0"
+    get-caller-file "^2.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^2.0.0"
+    set-blocking "^2.0.0"
+    string-width "^4.2.0"
+    which-module "^2.0.0"
+    y18n "^4.0.0"
+    yargs-parser "^18.1.2"
+
 yargs@^15.1.0:
   version "15.1.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-15.1.0.tgz#e111381f5830e863a89550bd4b136bb6a5f37219"