diff --git a/.changeset/wise-cows-check.md b/.changeset/wise-cows-check.md
new file mode 100644
index 0000000000..d253df9bc9
--- /dev/null
+++ b/.changeset/wise-cows-check.md
@@ -0,0 +1,5 @@
+---
+"@latticexyz/common": patch
+---
+
+`Resource` type props are now readonly.
diff --git a/packages/common/src/common.ts b/packages/common/src/common.ts
index 04710d0405..b89a8f8ce7 100644
--- a/packages/common/src/common.ts
+++ b/packages/common/src/common.ts
@@ -2,8 +2,8 @@ import { Hex } from "viem";
 import { ResourceType } from "./resourceTypes";
 
 export type Resource = {
-  resourceId: Hex;
-  type: ResourceType;
-  namespace: string;
-  name: string;
+  readonly resourceId: Hex;
+  readonly type: ResourceType;
+  readonly namespace: string;
+  readonly name: string;
 };