diff --git a/src/lib.rs b/src/lib.rs
index 48d0fe219..8909f0db4 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -338,6 +338,7 @@
     clippy::enum_glob_use,
     clippy::if_not_else,
     clippy::integer_division,
+    clippy::let_underscore_untyped,
     clippy::map_err_ignore,
     clippy::match_same_arms,
     clippy::similar_names,
diff --git a/tests/lexical.rs b/tests/lexical.rs
index 6e0f07b8c..d3dfb852b 100644
--- a/tests/lexical.rs
+++ b/tests/lexical.rs
@@ -9,6 +9,7 @@
     clippy::excessive_precision,
     clippy::float_cmp,
     clippy::if_not_else,
+    clippy::let_underscore_untyped,
     clippy::module_name_repetitions,
     clippy::needless_late_init,
     clippy::shadow_unrelated,
diff --git a/tests/test.rs b/tests/test.rs
index f62a545e7..6c08cc8d2 100644
--- a/tests/test.rs
+++ b/tests/test.rs
@@ -6,6 +6,7 @@
     clippy::excessive_precision,
     clippy::float_cmp,
     clippy::items_after_statements,
+    clippy::let_underscore_untyped,
     clippy::shadow_unrelated,
     clippy::too_many_lines,
     clippy::unreadable_literal,