diff --git a/config/runtime.exs b/config/runtime.exs
index 556831df..317db4c4 100644
--- a/config/runtime.exs
+++ b/config/runtime.exs
@@ -100,8 +100,8 @@ if config_env() == :prod do
 
   config :music_library, MusicLibrary.Repo,
     database: database_path,
-    # 64MB * pool_size = base memory usage
-    cache_size: -64_000,
+    # 128MB * pool_size = base memory usage
+    cache_size: -128_000,
     pool_size: String.to_integer(System.get_env("POOL_SIZE") || "5"),
     show_sensitive_data_on_connection_error: false