diff --git a/db/migrations/000003_create_node_population_table.up.sql b/db/migrations/000003_create_node_population_table.up.sql
index f6a3e6b..0f604bf 100644
--- a/db/migrations/000003_create_node_population_table.up.sql
+++ b/db/migrations/000003_create_node_population_table.up.sql
@@ -4,4 +4,4 @@ CREATE TABLE node_population (
     agent_version_type   LowCardinality(String),
     agent_version_semver Array(Int16)
 ) ENGINE = AggregatingMergeTree()
-    PRIMARY KEY (timestamp, agent_version_type)
\ No newline at end of file
+    PRIMARY KEY (timestamp, agent_version_type, agent_version_semver)
\ No newline at end of file
diff --git a/db/migrations/000004_create_node_population_materialized_view.up.sql b/db/migrations/000004_create_node_population_materialized_view.up.sql
index d2afe4c..9eaa58a 100644
--- a/db/migrations/000004_create_node_population_materialized_view.up.sql
+++ b/db/migrations/000004_create_node_population_materialized_view.up.sql
@@ -5,4 +5,4 @@ SELECT
     agent_version_type,
     agent_version_semver
 FROM requests
-GROUP BY timestamp, agent_version_type, agent_version_semver
\ No newline at end of file
+GROUP BY timestamp, agent_version_type, agent_version_semver;
\ No newline at end of file