diff --git a/packages/react/CHANGELOG.md b/packages/react/CHANGELOG.md
index 7b158e025..5bb6baacd 100644
--- a/packages/react/CHANGELOG.md
+++ b/packages/react/CHANGELOG.md
@@ -1,5 +1,11 @@
 # @assistant-ui/react
 
+## 0.5.79
+
+### Patch Changes
+
+- feat: allow out of order tool args streaming
+
 ## 0.5.78
 
 ### Patch Changes
diff --git a/packages/react/package.json b/packages/react/package.json
index 2e30d786d..f4e08a9a0 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -29,7 +29,7 @@
     "conversational-ui",
     "conversational-ai"
   ],
-  "version": "0.5.78",
+  "version": "0.5.79",
   "license": "MIT",
   "exports": {
     ".": {
diff --git a/packages/react/src/runtimes/edge/streams/assistantDecoderStream.ts b/packages/react/src/runtimes/edge/streams/assistantDecoderStream.ts
index af497233d..b7c172871 100644
--- a/packages/react/src/runtimes/edge/streams/assistantDecoderStream.ts
+++ b/packages/react/src/runtimes/edge/streams/assistantDecoderStream.ts
@@ -47,18 +47,14 @@ export function assistantDecoderStream() {
         }
         case AssistantStreamChunkType.ToolCallDelta: {
           const { toolCallId, argsTextDelta } = value;
-          if (currentToolCall?.id !== toolCallId) {
-            throw new Error(
-              `Received tool call delta for unknown tool call "${toolCallId}".`,
-            );
-          }
 
+          const toolName = toolCallNames.get(toolCallId)!;
           currentToolCall!.argsText += argsTextDelta;
           controller.enqueue({
             type: "tool-call-delta",
             toolCallType: "function",
-            toolCallId: currentToolCall!.id,
-            toolName: currentToolCall!.name,
+            toolCallId,
+            toolName,
             argsTextDelta: argsTextDelta,
           });
           break;