diff --git a/pkgs/build-image/build-image.py b/pkgs/build-image/build-image.py
index d9259ad..dfb2a25 100644
--- a/pkgs/build-image/build-image.py
+++ b/pkgs/build-image/build-image.py
@@ -123,7 +123,7 @@ def get_partition(p: Dict[str, Any], out_file: str) -> Partition:
 
 def compute_image_size(partitions: List[Partition]) -> int:
     # leave some space for backup gpt
-    size = 97
+    size = 120
     for p in partitions:
         if p.size is None:
             if p.source_size is None: