diff --git a/src/api/mod.rs b/src/api/mod.rs
index 8ef237171..46db297ee 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -1,5 +1,6 @@
 #![type_length_limit = "262144"] //TODO: REDUCE ME
 #![expect(clippy::toplevel_ref_arg)]
+#![expect(clippy::duration_suboptimal_units)] // remove after MSRV 1.91
 
 pub mod client;
 pub mod router;
diff --git a/src/main/lib.rs b/src/main/lib.rs
index 228740670..e66ad5bd7 100644
--- a/src/main/lib.rs
+++ b/src/main/lib.rs
@@ -1,4 +1,5 @@
 #![type_length_limit = "4096"] //TODO: reduce me
+#![expect(clippy::duration_suboptimal_units)] // remove after MSRV 1.91
 
 pub mod args;
 pub mod logging;
diff --git a/src/router/mod.rs b/src/router/mod.rs
index 6a2c2193a..0f9a99583 100644
--- a/src/router/mod.rs
+++ b/src/router/mod.rs
@@ -1,4 +1,5 @@
 #![type_length_limit = "32768"] //TODO: reduce me
+#![expect(clippy::duration_suboptimal_units)] // remove after MSRV 1.91
 
 mod layers;
 mod request;
diff --git a/src/service/mod.rs b/src/service/mod.rs
index ce58b8fab..c21ae1224 100644
--- a/src/service/mod.rs
+++ b/src/service/mod.rs
@@ -1,6 +1,7 @@
 #![recursion_limit = "256"]
 #![type_length_limit = "98304"]
 #![expect(refining_impl_trait)]
+#![expect(clippy::duration_suboptimal_units)] // remove after MSRV 1.91
 
 mod manager;
 mod migrations;