diff --git a/.changeset/sweet-items-film.md b/.changeset/sweet-items-film.md
new file mode 100644
index 00000000..721da8bc
--- /dev/null
+++ b/.changeset/sweet-items-film.md
@@ -0,0 +1,5 @@
+---
+"@cartesi/devnet": patch
+---
+
+Download artifacts dependencies sequentially to avoid race-condition errors when creating directories and files, which can result in EEXIST followed by ENOENT errors. Also, explicitly configure the task runner to exit on error, so it doesn't publish a package with missing required information.
diff --git a/packages/devnet/build.ts b/packages/devnet/build.ts
index 2289f3bb..0b5da822 100644
--- a/packages/devnet/build.ts
+++ b/packages/devnet/build.ts
@@ -189,7 +189,7 @@ const build = async () => {
             {
                 title: "Download dependencies",
                 task: async (_, task) =>
-                    task.newListr(dependencies, { concurrent: true }),
+                    task.newListr(dependencies, { concurrent: false }),
             },
             {
                 title: "Starting anvil...",
@@ -261,7 +261,7 @@ const build = async () => {
                 },
             },
         ],
-        { exitOnError: false },
+        { exitOnError: true },
     );
 
     await tasks.run({