diff --git a/apps/kafka-key-maintenance/src/main/resources/db/migration/V4__create_periode_ident_idx.sql b/apps/kafka-key-maintenance/src/main/resources/db/migration/V4__create_periode_ident_idx.sql
new file mode 100644
index 00000000..eecd9d04
--- /dev/null
+++ b/apps/kafka-key-maintenance/src/main/resources/db/migration/V4__create_periode_ident_idx.sql
@@ -0,0 +1 @@
+CREATE index perioder_identitetsnummer_idx ON perioder(identitetsnummer);
\ No newline at end of file