diff --git a/alembic/versions/6a76f959a9df_add_markdown_de_column_to_exercise_table.py b/alembic/versions/6a76f959a9df_add_markdown_de_column_to_exercise_table.py
new file mode 100644
index 0000000..974bcb2
--- /dev/null
+++ b/alembic/versions/6a76f959a9df_add_markdown_de_column_to_exercise_table.py
@@ -0,0 +1,33 @@
+"""add markdown_de column to exercise table
+
+Revision ID: 6a76f959a9df
+Revises: 2a1b6cce2dae
+Create Date: 2026-02-07 16:12:45.015614
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '6a76f959a9df'
+down_revision: Union[str, Sequence[str], None] = '2a1b6cce2dae'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('exercise', sa.Column('markdown_de', sa.TEXT(), nullable=False))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('exercise', 'markdown_de')
+    # ### end Alembic commands ###
diff --git a/app/api/schema/exercise.py b/app/api/schema/exercise.py
index 2725e9c..f595f46 100644
--- a/app/api/schema/exercise.py
+++ b/app/api/schema/exercise.py
@@ -7,6 +7,7 @@
 class ExerciseCreate(BaseModel):
     title: str
     markdown: str
+    markdown_de: str = ""
     skip_delay: int
     next_exercise_id: Optional[int]
 
diff --git a/app/db/model/exercise.py b/app/db/model/exercise.py
index f3ad7af..3260c9c 100644
--- a/app/db/model/exercise.py
+++ b/app/db/model/exercise.py
@@ -9,6 +9,7 @@ class Exercise(Base):
     id = sa.Column(sa.INTEGER, default=None, primary_key=True)
     title = sa.Column(sa.TEXT, nullable=False)
     markdown = sa.Column(sa.TEXT, nullable=False)
+    markdown_de = sa.Column(sa.TEXT, nullable=False, default="")
     next_exercise_id = sa.Column(sa.Integer, sa.ForeignKey("exercise.id"), nullable=True)
     skip_delay = sa.Column(sa.Integer, nullable=False)
 
@@ -17,6 +18,7 @@ def to_dict(self):
             "id": self.id,
             "title": self.title,
             "markdown": self.markdown,
+            "markdown_de": self.markdown_de,
             "next_exercise_id": self.next_exercise_id,
             "skip_delay": self.skip_delay,
         }
diff --git a/tests/util/demo_data.py b/tests/util/demo_data.py
index 483477f..1b4f3e2 100644
--- a/tests/util/demo_data.py
+++ b/tests/util/demo_data.py
@@ -62,6 +62,7 @@
         "id": 1,
         "title": "Demo Exercise 1",
         "markdown": "",
+        "markdown_de": "",
         "skip_delay": 5,
         "next_exercise_id": 2,
     },
@@ -69,6 +70,7 @@
         "id": 2,
         "title": "Demo exercise 2",
         "markdown": "",
+        "markdown_de": "",
         "skip_delay": 5,
         "next_exercise_id": 3,
     },
@@ -76,6 +78,7 @@
         "id": 3,
         "title": "Demo exercise 3",
         "markdown": "",
+        "markdown_de": "",
         "skip_delay": 5,
         "next_exercise_id": None,
     }