diff --git a/Cargo.toml b/Cargo.toml
index 46ae967a2..649ee6ce9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -232,6 +232,7 @@ iter_on_single_items = "warn"
 iter_over_hash_type = "warn"
 iter_without_into_iter = "warn"
 large_digit_groups = "warn"
+large_futures = "warn"
 large_include_file = "warn"
 large_stack_arrays = "warn"
 large_stack_frames = "warn"
@@ -329,6 +330,7 @@ unnecessary_semicolon = "warn"
 unnecessary_struct_initialization = "warn"
 unnecessary_wraps = "warn"
 unnested_or_patterns = "warn"
+unused_async = "warn"
 unused_peekable = "warn"
 unused_rounding = "warn"
 unused_self = "warn"