diff --git a/.gitignore b/.gitignore
index d2fbac6c..15e9814c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -61,6 +61,9 @@ external/
 # Worktrees — git worktrees para issues paralelos (parallel-fix-issues)
 worktrees/
 
+# Claude runtime locks
+.claude/scheduled_tasks.lock
+
 # Temp — workspace efimero para pruebas rapidas (APIs, scripts, analisis)
 temp/