diff --git a/Cargo.toml b/Cargo.toml
index 397a64ea99..b6b6d97dfe 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -47,6 +47,7 @@ redundant_explicit_links = "deny"
 # default-warn lints
 result_unit_err = "allow"
 manual_checked_ops = "deny"
+manual_div_ceil = "deny"
 should_implement_trait = "deny"
 # can be for a reason, e.g. in callbacks
 unused_self = "allow"
diff --git a/rust/bindings/chardev-sys/lib.rs b/rust/bindings/chardev-sys/lib.rs
index 903f6fc492..61c19412b0 100644
--- a/rust/bindings/chardev-sys/lib.rs
+++ b/rust/bindings/chardev-sys/lib.rs
@@ -8,6 +8,7 @@
     non_upper_case_globals,
     unnecessary_transmutes,
     unsafe_op_in_unsafe_fn,
+    clippy::complexity,
     clippy::pedantic,
     clippy::restriction,
     clippy::style,
diff --git a/rust/bindings/hwcore-sys/lib.rs b/rust/bindings/hwcore-sys/lib.rs
index 8cef4a7961..cecbf808dd 100644
--- a/rust/bindings/hwcore-sys/lib.rs
+++ b/rust/bindings/hwcore-sys/lib.rs
@@ -8,6 +8,7 @@
     non_upper_case_globals,
     unnecessary_transmutes,
     unsafe_op_in_unsafe_fn,
+    clippy::complexity,
     clippy::pedantic,
     clippy::restriction,
     clippy::style,
diff --git a/rust/bindings/migration-sys/lib.rs b/rust/bindings/migration-sys/lib.rs
index c8397dc897..4d13dc3cb2 100644
--- a/rust/bindings/migration-sys/lib.rs
+++ b/rust/bindings/migration-sys/lib.rs
@@ -8,6 +8,7 @@
     non_upper_case_globals,
     unnecessary_transmutes,
     unsafe_op_in_unsafe_fn,
+    clippy::complexity,
     clippy::pedantic,
     clippy::restriction,
     clippy::style,
diff --git a/rust/bindings/qom-sys/lib.rs b/rust/bindings/qom-sys/lib.rs
index 21b996aeaa..6b5c562951 100644
--- a/rust/bindings/qom-sys/lib.rs
+++ b/rust/bindings/qom-sys/lib.rs
@@ -8,6 +8,7 @@
     non_upper_case_globals,
     unnecessary_transmutes,
     unsafe_op_in_unsafe_fn,
+    clippy::complexity,
     clippy::pedantic,
     clippy::restriction,
     clippy::style,
diff --git a/rust/bindings/system-sys/lib.rs b/rust/bindings/system-sys/lib.rs
index 30adf683c3..2dd5c7fc92 100644
--- a/rust/bindings/system-sys/lib.rs
+++ b/rust/bindings/system-sys/lib.rs
@@ -8,6 +8,7 @@
     non_upper_case_globals,
     unnecessary_transmutes,
     unsafe_op_in_unsafe_fn,
+    clippy::complexity,
     clippy::pedantic,
     clippy::restriction,
     clippy::style,
diff --git a/rust/bindings/util-sys/lib.rs b/rust/bindings/util-sys/lib.rs
index 0212e94184..f78064e52c 100644
--- a/rust/bindings/util-sys/lib.rs
+++ b/rust/bindings/util-sys/lib.rs
@@ -8,6 +8,7 @@
     non_upper_case_globals,
     unnecessary_transmutes,
     unsafe_op_in_unsafe_fn,
+    clippy::complexity,
     clippy::pedantic,
     clippy::restriction,
     clippy::style,