diff --git a/pyproject.toml b/pyproject.toml
index 5d7778c..7faebfc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,7 +68,7 @@ path = "masque/__init__.py"
 
 [project.optional-dependencies]
 arrow = ["pyarrow", "cffi"]
-oasis = ["fatamorgana~=0.11"]
+oasis = ["fatamorgana>=0.14"]
 dxf = ["ezdxf~=1.4", "pyclipper"]
 svg = ["svgwrite"]
 visualize = ["matplotlib"]