diff --git a/rose/cache.sql b/rose/cache.sql
index 8ac8347..c6694ef 100644
--- a/rose/cache.sql
+++ b/rose/cache.sql
@@ -97,7 +97,7 @@ CREATE TABLE releases_artists (
     artist_sanitized TEXT NOT NULL,
     role TEXT REFERENCES artist_role_enum(value) NOT NULL,
     alias BOOL NOT NULL,
-    PRIMARY KEY (release_id, artist, role)
+    PRIMARY KEY (release_id, artist, role, alias)
 );
 CREATE INDEX releases_artists_release_id ON releases_artists(release_id);
 CREATE INDEX releases_artists_artist ON releases_artists(artist);
@@ -109,7 +109,7 @@ CREATE TABLE tracks_artists (
     artist_sanitized TEXT NOT NULL,
     role TEXT REFERENCES artist_role_enum(value) NOT NULL,
     alias BOOL NOT NULL,
-    PRIMARY KEY (track_id, artist, role)
+    PRIMARY KEY (track_id, artist, role, alias)
 );
 CREATE INDEX tracks_artists_track_id ON tracks_artists(track_id);
 CREATE INDEX tracks_artists_artist ON tracks_artists(artist);