diff --git a/pybtc/connector/block_loader.py b/pybtc/connector/block_loader.py
index 3321653..db4b465 100644
--- a/pybtc/connector/block_loader.py
+++ b/pybtc/connector/block_loader.py
@@ -16,7 +16,7 @@ from pybtc import MRU
 
 
 class BlockLoader:
-    def __init__(self, parent, workers=6):
+    def __init__(self, parent, workers=4):
         self.worker_limit = workers
         self.worker = dict()
         self.worker_tasks = list()