diff --git a/src/main/resources/changelog/version/0-1-init-crdb.sql b/src/main/resources/changelog/version/0-1-init-crdb.sql
index 6dc280c..20b5879 100644
--- a/src/main/resources/changelog/version/0-1-init-crdb.sql
+++ b/src/main/resources/changelog/version/0-1-init-crdb.sql
@@ -41,3 +41,7 @@ CREATE INDEX IF NOT EXISTS playlists_owner_idx ON playlists (owner ASC) STORING
 
 --rollback DROP INDEX IF EXISTS playlists_playlist_id_idx;
 --rollback DROP INDEX IF EXISTS playlists_owner_idx;
+
+CREATE INDEX IF NOT EXISTS unauthenticated_subscriptions_id_idx ON unauthenticated_subscriptions (id ASC) USING HASH STORING (subscribed_at);
+
+--rollback DROP INDEX IF EXISTS unauthenticated_subscriptions_id_idx;
diff --git a/src/main/resources/changelog/version/0-1-init-pg.sql b/src/main/resources/changelog/version/0-1-init-pg.sql
index 2b4499f..1fc4351 100644
--- a/src/main/resources/changelog/version/0-1-init-pg.sql
+++ b/src/main/resources/changelog/version/0-1-init-pg.sql
@@ -42,3 +42,7 @@ CREATE INDEX IF NOT EXISTS playlists_owner_idx ON playlists (owner ASC);
 
 --rollback DROP INDEX IF EXISTS playlists_playlist_id_idx;
 --rollback DROP INDEX IF EXISTS playlists_owner_idx;
+
+CREATE INDEX IF NOT EXISTS unauthenticated_subscriptions_id_idx ON unauthenticated_subscriptions (id ASC);
+
+--rollback DROP INDEX IF EXISTS unauthenticated_subscriptions_id_idx;
diff --git a/src/main/resources/changelog/version/0-1-init.sql b/src/main/resources/changelog/version/0-1-init.sql
index ce2689e..0accbb9 100644
--- a/src/main/resources/changelog/version/0-1-init.sql
+++ b/src/main/resources/changelog/version/0-1-init.sql
@@ -74,3 +74,14 @@ CREATE TABLE IF NOT EXISTS playlists_videos_ids (
 CREATE INDEX IF NOT EXISTS playlists_videos_ids_playlist_id_idx ON playlists_videos_ids (playlist_id ASC);
 
 --rollback DROP TABLE IF EXISTS playlists_videos_ids;
+
+CREATE TABLE IF NOT EXISTS unauthenticated_subscriptions (
+    id VARCHAR(24) NOT NULL,
+    subscribed_at INT8 NOT NULL,
+    CONSTRAINT unauthenticated_subscriptions_pkey PRIMARY KEY (id),
+    CONSTRAINT fk_unauthenticated_subscriptions_id_channels FOREIGN KEY (id) REFERENCES channels(uploader_id)
+);
+
+CREATE INDEX IF NOT EXISTS unauthenticated_subscriptions_subscribed_at_idx ON unauthenticated_subscriptions (subscribed_at ASC);
+
+--rollback DROP TABLE IF EXISTS unauthenticated_subscriptions;