diff --git a/datastore/postgres/migrations/migrations.go b/datastore/postgres/migrations/migrations.go
index 9dbe7c72e..fa52113c4 100644
--- a/datastore/postgres/migrations/migrations.go
+++ b/datastore/postgres/migrations/migrations.go
@@ -57,6 +57,10 @@ var IndexerMigrations = []migrate.Migration{
 		ID: 7,
 		Up: runFile("indexer/07-index-manifest_index.sql"),
 	},
+	{
+		ID: 8,
+		Up: runFile("indexer/08-index-manifest_layer.sql"),
+	},
 }
 
 var MatcherMigrations = []migrate.Migration{
diff --git a/datastore/postgres/migrations/migrations_test.go b/datastore/postgres/migrations/migrations_test.go
new file mode 100644
index 000000000..7805b7533
--- /dev/null
+++ b/datastore/postgres/migrations/migrations_test.go
@@ -0,0 +1,68 @@
+package migrations
+
+import (
+	"bufio"
+	iofs "io/fs"
+	"os"
+	"path"
+	"path/filepath"
+	"regexp"
+	"slices"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+)
+
+func TestMigrationsMismatch(t *testing.T) {
+	var migrations, files []string
+
+	// Get referenced migrations
+	migrationLine, err := regexp.Compile(`runFile\(\"(.*)\"\)`)
+	if err != nil {
+		t.Fatal(err)
+	}
+	f, err := os.Open("migrations.go")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer f.Close()
+
+	s := bufio.NewScanner(f)
+	for s.Scan() {
+		ms := migrationLine.FindSubmatch(s.Bytes())
+		switch {
+		case ms == nil, len(ms) == 1:
+			continue
+		case len(ms) == 2:
+			migrations = append(migrations, path.Clean(string(ms[1])))
+		}
+	}
+	if err := s.Err(); err != nil {
+		t.Error(err)
+	}
+	slices.Sort(migrations)
+
+	// Get migration files
+	err = iofs.WalkDir(os.DirFS("."), ".", func(p string, d iofs.DirEntry, err error) error {
+		switch {
+		case err != nil:
+			return err
+		case d.IsDir():
+			return nil
+		case filepath.Ext(d.Name()) != ".sql":
+			return nil
+		}
+		files = append(files, p)
+		return nil
+	})
+	if err != nil {
+		t.Error(err)
+	}
+	slices.Sort(files)
+
+	// Check referenced files exist and existing files are referenced.
+	if !cmp.Equal(migrations, files) {
+		t.Log("error mismatch of migrations to entries:")
+		t.Error(cmp.Diff(migrations, files))
+	}
+}