diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3d00b0717..5eaaeea3a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -171,6 +171,7 @@ jobs:
             mypy \
             networkx \
             pandas \
+            pillow \
             pyarrow \
             pytest \
             pytype \
diff --git a/python/mlcroissant/mlcroissant/_src/core/context.py b/python/mlcroissant/mlcroissant/_src/core/context.py
index 918f13c51..89095d3ed 100644
--- a/python/mlcroissant/mlcroissant/_src/core/context.py
+++ b/python/mlcroissant/mlcroissant/_src/core/context.py
@@ -18,6 +18,7 @@ class CroissantVersion(enum.Enum):
 
     V_0_8 = "http://mlcommons.org/croissant/0.8"
     V_1_0 = "http://mlcommons.org/croissant/1.0"
+    V_1_1 = "http://mlcommons.org/croissant/1.1"
 
     @classmethod
     def from_jsonld(cls, ctx: Context, jsonld: Any) -> CroissantVersion: