diff --git a/database/postgres/migrations/20210322224711_create_index_change_keys.sql b/database/postgres/migrations/20210322224711_create_index_change_keys.sql
new file mode 100644
index 0000000..7724bad
--- /dev/null
+++ b/database/postgres/migrations/20210322224711_create_index_change_keys.sql
@@ -0,0 +1,9 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE INDEX data_change_index_keys on data_change USING GIN (keys);
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP INDEX IF EXISTS data_change_index_keys;
+-- +goose StatementEnd
diff --git a/database/postgres/migrations/20210322224738_create_index_change_date.sql b/database/postgres/migrations/20210322224738_create_index_change_date.sql
new file mode 100644
index 0000000..f92e8ee
--- /dev/null
+++ b/database/postgres/migrations/20210322224738_create_index_change_date.sql
@@ -0,0 +1,9 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE INDEX data_change_index_date ON data_change (date);
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP INDEX IF EXISTS data_change_index_date;
+-- +goose StatementEnd
diff --git a/database/postgres/migrations/20210322224748_create_index_change_author.sql b/database/postgres/migrations/20210322224748_create_index_change_author.sql
new file mode 100644
index 0000000..a48e742
--- /dev/null
+++ b/database/postgres/migrations/20210322224748_create_index_change_author.sql
@@ -0,0 +1,9 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE INDEX data_change_index_author ON data_change (author);
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP INDEX IF EXISTS data_change_index_author;
+-- +goose StatementEnd