diff --git a/api/.gitattributes b/api/.gitattributes
new file mode 100644
index 0000000..ed09e9e
--- /dev/null
+++ b/api/.gitattributes
@@ -0,0 +1 @@
+*.pkl filter=lfs diff=lfs merge=lfs -text
diff --git a/api/dataset_dict.pkl b/api/dataset_dict.pkl
index 8cdb02a..8acb6da 100644
Binary files a/api/dataset_dict.pkl and b/api/dataset_dict.pkl differ
diff --git a/api/dataset_dict_500.pkl b/api/dataset_dict_500.pkl
new file mode 100644
index 0000000..e1a4d53
--- /dev/null
+++ b/api/dataset_dict_500.pkl
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d98f711c5c4745801bebba83dbe8942d0979004efe4979d6ba4cb0d913b843e7
+size 623416508