diff --git a/src/main/resources/db/migration/V7__user_role.sql b/src/main/resources/db/migration/V7__user_role.sql
index 57a0049..69b69e5 100644
--- a/src/main/resources/db/migration/V7__user_role.sql
+++ b/src/main/resources/db/migration/V7__user_role.sql
@@ -2,5 +2,5 @@ CREATE TABLE user_role
 (
     user_id BIGINT      NOT NULL REFERENCES app_user (id),
     role    VARCHAR(32) NOT NULL,
-    CONSTRAINT user_role_pkey PRIMARY KEY (user_id, role)
+    CONSTRAINT user_role_pkey PRIMARY KEY (user_id)
 );