diff --git a/packages/a/package.json b/packages/a/package.json
index 3adddbf..c1cbade 100644
--- a/packages/a/package.json
+++ b/packages/a/package.json
@@ -14,7 +14,7 @@
     "random.txt"
   ],
   "release": {
-    "buildCmd": "yarn build",
+    "buildCmd": "yarn && yarn build",
     "testCmd": "yarn test",
     "fetch": true
   }
diff --git a/packages/c/package.json b/packages/c/package.json
index f2f337b..ce90595 100644
--- a/packages/c/package.json
+++ b/packages/c/package.json
@@ -14,7 +14,7 @@
     "test": "node ./index.js"
   },
   "release": {
-    "buildCmd": "yarn build",
+    "buildCmd": "yarn && yarn build",
     "testCmd": "yarn test",
     "ghPages": "docs gh-pages c",
     "fetch": true