diff --git a/apptax/migrations/versions/2c68a907f74c_increase_t_medias_source_size.py b/apptax/migrations/versions/2c68a907f74c_increase_t_medias_source_size.py
new file mode 100644
index 00000000..4cab1811
--- /dev/null
+++ b/apptax/migrations/versions/2c68a907f74c_increase_t_medias_source_size.py
@@ -0,0 +1,28 @@
+"""increase t_medias.source size
+
+Revision ID: 2c68a907f74c
+Revises: 3c4762751898
+Create Date: 2024-12-19 10:31:05.778720
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '2c68a907f74c'
+down_revision = '3c4762751898'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.alter_column('t_medias', 'source',
+        type_=sa.Unicode(),
+        existing_nullable=True,schema='taxonomie')
+
+
+def downgrade():
+    op.alter_column('t_medias', 'source',
+        type_=sa.VARCHAR(length=25),
+        existing_nullable=True,schema='taxonomie')