diff --git a/build_library/disk_layout_v2.json b/build_library/disk_layout_v2.json
index eeec344..71a0e5c 100644
--- a/build_library/disk_layout_v2.json
+++ b/build_library/disk_layout_v2.json
@@ -111,7 +111,7 @@
         "label": "STATE",
         "type": "data",
         "fs_format": "ext4",
-        "size": "3 GiB",
+        "size": "4 GiB",
         "features": ["expand"],
         "uuid": "random"
       }
diff --git a/build_library/legacy_disk_layout.json b/build_library/legacy_disk_layout.json
index 83394c3..5289f47 100644
--- a/build_library/legacy_disk_layout.json
+++ b/build_library/legacy_disk_layout.json
@@ -135,7 +135,7 @@
         "label": "STATE",
         "type": "data",
         "fs_format": "ext4",
-        "size": "3 GiB",
+        "size": "4 GiB",
         "features": ["expand"],
         "uuid": "random"
       }