diff --git a/loop/agent_system_prompt.txt b/loop/agent_system_prompt.txt
index cc4ac06..cb13a48 100644
--- a/loop/agent_system_prompt.txt
+++ b/loop/agent_system_prompt.txt
@@ -26,6 +26,8 @@
 and what set of patches will achieve that intent.
 Then use the patch tool to make those edits. Combine all edits to any given file into a single patch tool call.
 
+You may run tool calls in parallel.
+
 Complete every task exhaustively - no matter how repetitive or tedious.
 Partial work, pattern demonstrations, or stubs with TODOs are not acceptable, unless explicitly permitted by the user.