diff --git a/alembic/versions/2a1b6cce2dae_add_step_limit_column_to_test_case.py b/alembic/versions/2a1b6cce2dae_add_step_limit_column_to_test_case.py
new file mode 100644
index 0000000..b9740ac
--- /dev/null
+++ b/alembic/versions/2a1b6cce2dae_add_step_limit_column_to_test_case.py
@@ -0,0 +1,31 @@
+"""add step_limit column to test_case
+
+Revision ID: 2a1b6cce2dae
+Revises: fa88dd438b04
+Create Date: 2026-02-07 15:51:44.881825
+
+"""
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = '2a1b6cce2dae'
+down_revision: Union[str, Sequence[str], None] = 'fa88dd438b04'
+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('test_case', sa.Column('step_limit', sa.Integer(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('test_case', 'step_limit')
+    # ### end Alembic commands ###
diff --git a/alembic/versions/fa88dd438b04_added_expected_instructions_column_to_.py b/alembic/versions/fa88dd438b04_added_expected_instructions_column_to_.py
new file mode 100644
index 0000000..fcbdcbe
--- /dev/null
+++ b/alembic/versions/fa88dd438b04_added_expected_instructions_column_to_.py
@@ -0,0 +1,32 @@
+"""added expected_instructions column to test_case table
+
+Revision ID: fa88dd438b04
+Revises: 0febf8c21610
+Create Date: 2026-02-05 10:28:52.171857
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision: str = 'fa88dd438b04'
+down_revision: Union[str, Sequence[str], None] = '0febf8c21610'
+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('test_case', sa.Column('expected_instructions', sa.JSON(), nullable=False))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('test_case', 'expected_instructions')
+    # ### end Alembic commands ###
diff --git a/app/api/schema/exercise.py b/app/api/schema/exercise.py
index f5fc826..2725e9c 100644
--- a/app/api/schema/exercise.py
+++ b/app/api/schema/exercise.py
@@ -32,6 +32,7 @@ class TestCaseCreate(BaseModel):
     user_input: list[str]
     expected_output: list[str]
     expected_instructions: list[str]
+    step_limit: Optional[int] = None
 
 
 class TestCaseRead(TestCaseCreate):
diff --git a/app/db/model/exercise.py b/app/db/model/exercise.py
index a043a6b..f3ad7af 100644
--- a/app/db/model/exercise.py
+++ b/app/db/model/exercise.py
@@ -33,6 +33,7 @@ class TestCase(Base):
     user_input = sa.Column(sa.JSON, nullable=False)
     expected_output = sa.Column(sa.JSON, nullable=False)
     expected_instructions = sa.Column(sa.JSON, nullable=False)
+    step_limit = sa.Column(sa.Integer, nullable=True)
 
     def to_dict(self):
         return {
@@ -44,6 +45,7 @@ def to_dict(self):
             "user_input": self.user_input,
             "expected_output": self.expected_output,
             "expected_instructions": self.expected_instructions,
+            "step_limit": self.step_limit,
         }