diff --git a/.changeset/loud-bottles-watch.md b/.changeset/loud-bottles-watch.md
new file mode 100644
index 0000000..b22d07c
--- /dev/null
+++ b/.changeset/loud-bottles-watch.md
@@ -0,0 +1,5 @@
+---
+"@tailor-platform/function-types": patch
+---
+
+fix: require Tailordb namespace
diff --git a/packages/types/tailor.d.ts b/packages/types/tailor.d.ts
index 0d898ab..9832b52 100644
--- a/packages/types/tailor.d.ts
+++ b/packages/types/tailor.d.ts
@@ -1,6 +1,6 @@
 declare namespace Tailordb {
   class Client {
-    constructor(config?: { namespace?: string });
+    constructor(config: { namespace: string });
     connect(): Promise<void>;
     end(): Promise<void>;
     queryObject<O>(