diff --git a/snapcraft.yaml b/snapcraft.yaml
index aaf03559..920ce34a 100644
--- a/snapcraft.yaml
+++ b/snapcraft.yaml
@@ -49,7 +49,7 @@ parts:
     plugin: python
     source-type: git
     source: https://git.launchpad.net/curtin
-    source-commit: b49f5b1505d6597a5c64e3220bb45a291d9a78f7
+    source-commit: 7e292c9dcd97868d20ae08172b233f2a637516b7
     build-packages:
       - shared-mime-info
       - zlib1g-dev
diff --git a/subiquity/models/filesystem.py b/subiquity/models/filesystem.py
index baf655e3..0b11cba9 100644
--- a/subiquity/models/filesystem.py
+++ b/subiquity/models/filesystem.py
@@ -673,6 +673,7 @@ class Partition(_Formattable):
     multipath = attr.ib(default=None)
     offset = attr.ib(default=None)
     resize = attr.ib(default=None)
+    partition_type = attr.ib(default=None)
 
     def available(self):
         if self.flag in ['bios_grub', 'prep'] or self.grub_device: