diff --git a/src/RosettaPy/__init__.py b/src/RosettaPy/__init__.py
index 66d023a..271a077 100644
--- a/src/RosettaPy/__init__.py
+++ b/src/RosettaPy/__init__.py
@@ -22,4 +22,4 @@
     "RosettaCartesianddGAnalyser",
 ]
 
-__version__ = "0.2.11-post.1"
+__version__ = "0.2.11-post.2"
diff --git a/src/RosettaPy/app/rosettaligand.py b/src/RosettaPy/app/rosettaligand.py
index 4d0e894..e4fadfd 100644
--- a/src/RosettaPy/app/rosettaligand.py
+++ b/src/RosettaPy/app/rosettaligand.py
@@ -47,7 +47,7 @@ class RosettaLigand:
     box_size: int = 30
     move_distance: float = 0.5
     gridwidth: int = 45
-    chain_id_for_dock = "B"
+    chain_id_for_dock: str = "B"
     start_from_xyz: Optional[Tuple[float, float, float]] = None
 
     node: NodeClassType = field(default_factory=Native)