diff --git a/pyproject.toml b/pyproject.toml
index 1d15867..4b67a2c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "welearn-database"
-version = "1.1.1"
+version = "1.2.0"
 description = "All stuff related to relationnal database from the WeLearn project"
 authors = [
     {name = "Théo",email = "theo.nardin@cri-paris.org"}
diff --git a/welearn_database/alembic/versions/068312e7800c_add_referrer_origin_column_to_user_and_.py b/welearn_database/alembic/versions/068312e7800c_add_referrer_origin_column_to_user_and_.py
new file mode 100644
index 0000000..73713fe
--- /dev/null
+++ b/welearn_database/alembic/versions/068312e7800c_add_referrer_origin_column_to_user_and_.py
@@ -0,0 +1,45 @@
+"""add referrer origin column to user and session
+
+Revision ID: 068312e7800c
+Revises: 4f5a188dd614
+Create Date: 2026-01-12 11:45:40.359740
+
+"""
+
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = "068312e7800c"
+down_revision: Union[str, None] = "4f5a188dd614"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "session",
+        sa.Column("origin_referrer", sa.String(), nullable=True),
+        schema="user_related",
+    )
+    op.add_column(
+        "inferred_user",
+        sa.Column("origin_referrer", sa.String(), nullable=True),
+        schema="user_related",
+    )
+
+
+def downgrade() -> None:
+    op.drop_column(
+        "inferred_user",
+        "origin_referrer",
+        schema="user_related",
+    )
+    op.drop_column(
+        "session",
+        "origin_referrer",
+        schema="user_related",
+    )
diff --git a/welearn_database/data/models/user_related.py b/welearn_database/data/models/user_related.py
index a90e874..3532a81 100644
--- a/welearn_database/data/models/user_related.py
+++ b/welearn_database/data/models/user_related.py
@@ -169,6 +169,7 @@ class Session(Base):
         ForeignKey("user_related.inferred_user.id"),
         nullable=False,
     )
+    origin_referrer: Mapped[str | None]
     created_at: Mapped[datetime] = mapped_column(
         TIMESTAMP(timezone=False),
         nullable=False,
@@ -186,6 +187,7 @@ class InferredUser(Base):
     id: Mapped[UUID] = mapped_column(
         types.Uuid, primary_key=True, nullable=False, server_default="gen_random_uuid()"
     )
+    origin_referrer: Mapped[str | None]
     created_at: Mapped[datetime] = mapped_column(
         TIMESTAMP(timezone=False),
         nullable=False,