diff --git a/tox.ini b/tox.ini
index ad27fab..e429b2d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,7 +10,7 @@ commands =
     npm install
     npm install -D @types/react@^16.0.0
     npm test
-    npm build
+    npm run build
 
 [testenv:rc17]
 allowlist_externals = npm
@@ -18,7 +18,7 @@ commands =
     npm install
     npm install -D @types/react@^17.0.0
     npm test
-    npm build
+    npm run build
 
 [testenv:rc18]
 allowlist_externals = npm
@@ -26,4 +26,4 @@ commands =
     npm install
     npm install -D @types/react@^18.0.0
     npm test
-    npm build
+    npm run build