diff --git a/alembic/versions/2025_12_02_1717-24bd4ab81e07_add_browser_session_history_index.py b/alembic/versions/2025_12_02_1717-24bd4ab81e07_add_browser_session_history_index.py
new file mode 100644
index 00000000..f7627800
--- /dev/null
+++ b/alembic/versions/2025_12_02_1717-24bd4ab81e07_add_browser_session_history_index.py
@@ -0,0 +1,36 @@
+"""add browser session history index
+
+Revision ID: 24bd4ab81e07
+Revises: 1001a00ed620
+Create Date: 2025-12-02 17:17:28.644094+00:00
+
+"""
+
+from typing import Sequence, Union
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "24bd4ab81e07"
+down_revision: Union[str, None] = "1001a00ed620"
+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.create_index(
+        "idx_persistent_browser_sessions_org_created_started_completed",
+        "persistent_browser_sessions",
+        ["organization_id", "created_at", "started_at", "completed_at"],
+        unique=False,
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(
+        "idx_persistent_browser_sessions_org_created_started_completed", table_name="persistent_browser_sessions"
+    )
+    # ### end Alembic commands ###
diff --git a/skyvern/forge/sdk/db/models.py b/skyvern/forge/sdk/db/models.py
index b05a3a45..af1fe03a 100644
--- a/skyvern/forge/sdk/db/models.py
+++ b/skyvern/forge/sdk/db/models.py
@@ -793,6 +793,15 @@ class ThoughtModel(Base):
 
 class PersistentBrowserSessionModel(Base):
     __tablename__ = "persistent_browser_sessions"
+    __table_args__ = (
+        Index(
+            "idx_persistent_browser_sessions_org_created_started_completed",
+            "organization_id",
+            "created_at",
+            "started_at",
+            "completed_at",
+        ),
+    )
 
     persistent_browser_session_id = Column(String, primary_key=True, default=generate_persistent_browser_session_id)
     organization_id = Column(String, nullable=False, index=True)