diff --git a/changelog.md b/changelog.md
index dd50ae1..1903371 100644
--- a/changelog.md
+++ b/changelog.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 0.8.17
+
+### Added
+
+- `operation` and additional primary keys to `idps` table
+
 ## 0.8.16
 
 ### Added
diff --git a/src/hapi_schema/db_idps.py b/src/hapi_schema/db_idps.py
index 1f1957a..88cced8 100644
--- a/src/hapi_schema/db_idps.py
+++ b/src/hapi_schema/db_idps.py
@@ -6,6 +6,7 @@
     DateTime,
     ForeignKey,
     Integer,
+    String,
     select,
 )
 from sqlalchemy.orm import Mapped, mapped_column, relationship
@@ -46,14 +47,15 @@ class DBIDPs(Base):
         build_enum_using_values(DTMAssessmentType), primary_key=True
     )
 
-    reporting_round: Mapped[int] = mapped_column(Integer, nullable=True)
+    reporting_round: Mapped[int] = mapped_column(Integer, primary_key=True)
+    operation: Mapped[str] = mapped_column(String, primary_key=True)
 
     population: Mapped[int] = mapped_column(
         Integer, nullable=False, index=True
     )
 
     reference_period_start: Mapped[datetime] = mapped_column(
-        DateTime, nullable=False, index=True
+        DateTime, primary_key=True
     )
 
     reference_period_end: Mapped[datetime] = mapped_column(
diff --git a/src/hapi_schema/db_views_as_tables.py b/src/hapi_schema/db_views_as_tables.py
index 09c4573..9a7803d 100644
--- a/src/hapi_schema/db_views_as_tables.py
+++ b/src/hapi_schema/db_views_as_tables.py
@@ -275,7 +275,8 @@ class DBIDPsVAT(Base):
     resource_hdx_id: Mapped[str] = mapped_column(String(36))
     admin2_ref: Mapped[int] = mapped_column(Integer, primary_key=True)
     assessment_type: Mapped[str] = mapped_column(String(32), primary_key=True)
-    reporting_round: Mapped[int] = mapped_column(Integer, nullable=True)
+    reporting_round: Mapped[int] = mapped_column(Integer, primary_key=True)
+    operation: Mapped[str] = mapped_column(String, primary_key=True)
     population: Mapped[int] = mapped_column(Integer, index=True)
     reference_period_start: Mapped[datetime] = mapped_column(
         DateTime, primary_key=True
diff --git a/tests/sample_data/data_idps.py b/tests/sample_data/data_idps.py
index 7004330..48a1fe3 100644
--- a/tests/sample_data/data_idps.py
+++ b/tests/sample_data/data_idps.py
@@ -6,6 +6,7 @@
         admin2_ref=2,
         assessment_type="BA",
         reporting_round=18,
+        operation="Operation",
         population=25000,
         reference_period_start=datetime(2024, 1, 1),
         reference_period_end=datetime(2024, 12, 31),
diff --git a/tests/test_idps.py b/tests/test_idps.py
index 196c191..f8fb03c 100644
--- a/tests/test_idps.py
+++ b/tests/test_idps.py
@@ -21,6 +21,7 @@ def test_idps_view(run_view_test):
             view_idps.c.admin2_ref == 2,
             view_idps.c.assessment_type == "BA",
             view_idps.c.reporting_round == 18,
+            view_idps.c.operation == "Operation",
             view_idps.c.population == 25000,
             view_idps.c.admin2_code == "FOO-001-XXX",
             view_idps.c.admin1_code == "FOO-001",
@@ -51,6 +52,7 @@ def base_parameters():
         admin2_ref=2,
         assessment_type="BA",
         reporting_round=18,
+        operation="operation",
         population=25000,
         reference_period_start=datetime(2020, 1, 1),
         reference_period_end=datetime(2020, 1, 2),
diff --git a/tests/test_views_as_tables.py b/tests/test_views_as_tables.py
index db97c95..1f1171f 100644
--- a/tests/test_views_as_tables.py
+++ b/tests/test_views_as_tables.py
@@ -225,6 +225,8 @@ def test_idps_vat(run_indexes_test, run_columns_test, run_primary_keys_test):
     expected_primary_keys = [
         "admin2_ref",
         "assessment_type",
+        "reporting_round",
+        "operation",
         "reference_period_start",
     ]
     expected_indexes = [