diff --git a/src/main/kotlin/mdnet/MangaDexClient.kt b/src/main/kotlin/mdnet/MangaDexClient.kt
index c6f498c..ad40187 100644
--- a/src/main/kotlin/mdnet/MangaDexClient.kt
+++ b/src/main/kotlin/mdnet/MangaDexClient.kt
@@ -70,6 +70,7 @@ class MangaDexClient(private val settingsFile: File, databaseFolder: Path, cache
         val config = HikariConfig()
         val db = databaseFolder.resolve("metadata.db")
         config.jdbcUrl = "jdbc:sqlite:$db"
+        config.maximumPoolSize = 1
         config.addDataSourceProperty("cachePrepStmts", "true")
         config.addDataSourceProperty("prepStmtCacheSize", "100")
         config.addDataSourceProperty("prepStmtCacheSqlLimit", "1000")