diff --git a/wrike_monitor_lgl.py b/wrike_monitor_lgl.py
index a6db6a7..1e48ac4 100644
--- a/wrike_monitor_lgl.py
+++ b/wrike_monitor_lgl.py
@@ -52,6 +52,9 @@ class Config:
     WRIKE_SPACE_NAME = "LGL Team"
     DELIVERABLE_ITEM_TYPE_ID = None  # Custom item types not available in LGL team space
 
+    # Job number filtering - only process new jobs
+    MIN_JOB_NUMBER = 663000  # Only accept job numbers >= this value
+
     # Custom field IDs for LGL Team space
     CUSTOM_FIELDS = {
         "budget": "IEAGUQQ3JUAJHWE5",
@@ -660,6 +663,18 @@ class WrikeMonitor:
             project_details = job_spec.get("ProjectDetails", {})
             job_details = job_spec.get("JobDetails", {})
 
+            # Validate job number - only process new jobs (>= MIN_JOB_NUMBER)
+            job_number = job_details.get("Number", "")
+            try:
+                job_num_int = int(job_number) if job_number else 0
+                if job_num_int > 0 and job_num_int < Config.MIN_JOB_NUMBER:
+                    self.logger.info(f"⊘ Skipping old job #{job_number} (below threshold {Config.MIN_JOB_NUMBER}) - {file_path.name}")
+                    # Move to processed folder (not failed, since it's intentionally skipped)
+                    self.move_to_processed(file_path)
+                    return True
+            except ValueError:
+                pass  # Invalid job number, continue processing
+
             # Extract folder name
             business_area = project_details.get("BusinessArea", job_details.get("BusinessArea", ""))
             folder_name = self.parse_business_area(business_area)