diff --git a/src/specklepy/objects/GIS/CRS.py b/src/specklepy/objects/GIS/CRS.py
index 2d29e967..b21b6c58 100644
--- a/src/specklepy/objects/GIS/CRS.py
+++ b/src/specklepy/objects/GIS/CRS.py
@@ -14,6 +14,7 @@ def __init__(
         units_native: Optional[str] = None, 
         offset_x: Optional[float] = None,
         offset_y: Optional[float] = None,
+        rotation: Optional[float] = None,
         **kwargs
     ) -> None:
         super().__init__(**kwargs)
@@ -25,4 +26,5 @@ def __init__(
         self.units_native = units_native 
         self.offset_x = offset_x 
         self.offset_y = offset_y 
+        self.rotation = rotation