diff --git a/devbox.json b/devbox.json
index e10080eb154..b7cc2dfd10f 100644
--- a/devbox.json
+++ b/devbox.json
@@ -1,5 +1,7 @@
 {
   "packages": [
+    "yarn@latest",
+    "pulumictl@latest",
     "go@1.21.",
     "nodejs@20.",
     "python3@3.9",
diff --git a/devbox.lock b/devbox.lock
new file mode 100644
index 00000000000..0967ef424bc
--- /dev/null
+++ b/devbox.lock
@@ -0,0 +1 @@
+{}