diff --git a/alembic/versions/2025_01_06_1214-d47a586d7036_make_browser_session_runnable_type_and_.py b/alembic/versions/2025_01_06_1214-d47a586d7036_make_browser_session_runnable_type_and_.py
new file mode 100644
index 00000000..66617ef8
--- /dev/null
+++ b/alembic/versions/2025_01_06_1214-d47a586d7036_make_browser_session_runnable_type_and_.py
@@ -0,0 +1,35 @@
+"""make browser session runnable type and id nullable
+
+Revision ID: d47a586d7036
+Revises: 32e2f138f7fd
+Create Date: 2025-01-06 12:14:00.216039+00:00
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "d47a586d7036"
+down_revision: Union[str, None] = "32e2f138f7fd"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("persistent_browser_sessions", sa.Column("browser_id", sa.String(), nullable=True))
+    op.alter_column("persistent_browser_sessions", "runnable_type", existing_type=sa.VARCHAR(), nullable=True)
+    op.alter_column("persistent_browser_sessions", "runnable_id", existing_type=sa.VARCHAR(), nullable=True)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column("persistent_browser_sessions", "runnable_id", existing_type=sa.VARCHAR(), nullable=False)
+    op.alter_column("persistent_browser_sessions", "runnable_type", existing_type=sa.VARCHAR(), nullable=False)
+    op.drop_column("persistent_browser_sessions", "browser_id")
+    # ### end Alembic commands ###
diff --git a/skyvern/forge/sdk/db/models.py b/skyvern/forge/sdk/db/models.py
index 8fd15f4e..1c501042 100644
--- a/skyvern/forge/sdk/db/models.py
+++ b/skyvern/forge/sdk/db/models.py
@@ -570,8 +570,9 @@ class PersistentBrowserSessionModel(Base):
 
     persistent_browser_session_id = Column(String, primary_key=True, default=generate_persistent_browser_session_id)
     organization_id = Column(String, ForeignKey("organizations.organization_id"), nullable=False)
-    runnable_type = Column(String, nullable=False)
-    runnable_id = Column(String, nullable=False)
+    runnable_type = Column(String, nullable=True)
+    runnable_id = Column(String, nullable=True)
+    browser_id = Column(String, nullable=True)
     created_at = Column(DateTime, default=datetime.datetime.utcnow, nullable=False)
     modified_at = Column(DateTime, default=datetime.datetime.utcnow, onupdate=datetime.datetime.utcnow, nullable=False)
     deleted_at = Column(DateTime, nullable=True)