diff --git a/clippy.toml b/clippy.toml
new file mode 100644
index 000000000..5e90250c4
--- /dev/null
+++ b/clippy.toml
@@ -0,0 +1 @@
+msrv = "1.81.0"
diff --git a/examples/actix-web-app/clippy.toml b/examples/actix-web-app/clippy.toml
new file mode 120000
index 000000000..e33e0863d
--- /dev/null
+++ b/examples/actix-web-app/clippy.toml
@@ -0,0 +1 @@
+../../clippy.toml
\ No newline at end of file
diff --git a/examples/axum-app/clippy.toml b/examples/axum-app/clippy.toml
new file mode 120000
index 000000000..e33e0863d
--- /dev/null
+++ b/examples/axum-app/clippy.toml
@@ -0,0 +1 @@
+../../clippy.toml
\ No newline at end of file
diff --git a/examples/poem-app/clippy.toml b/examples/poem-app/clippy.toml
new file mode 120000
index 000000000..e33e0863d
--- /dev/null
+++ b/examples/poem-app/clippy.toml
@@ -0,0 +1 @@
+../../clippy.toml
\ No newline at end of file
diff --git a/examples/rocket-app/clippy.toml b/examples/rocket-app/clippy.toml
new file mode 120000
index 000000000..e33e0863d
--- /dev/null
+++ b/examples/rocket-app/clippy.toml
@@ -0,0 +1 @@
+../../clippy.toml
\ No newline at end of file
diff --git a/examples/salvo-app/clippy.toml b/examples/salvo-app/clippy.toml
new file mode 120000
index 000000000..e33e0863d
--- /dev/null
+++ b/examples/salvo-app/clippy.toml
@@ -0,0 +1 @@
+../../clippy.toml
\ No newline at end of file
diff --git a/examples/warp-app/clippy.toml b/examples/warp-app/clippy.toml
new file mode 120000
index 000000000..e33e0863d
--- /dev/null
+++ b/examples/warp-app/clippy.toml
@@ -0,0 +1 @@
+../../clippy.toml
\ No newline at end of file
diff --git a/fuzzing/clippy.toml b/fuzzing/clippy.toml
new file mode 120000
index 000000000..85f6167cb
--- /dev/null
+++ b/fuzzing/clippy.toml
@@ -0,0 +1 @@
+../clippy.toml
\ No newline at end of file
diff --git a/rinja/clippy.toml b/rinja/clippy.toml
new file mode 120000
index 000000000..85f6167cb
--- /dev/null
+++ b/rinja/clippy.toml
@@ -0,0 +1 @@
+../clippy.toml
\ No newline at end of file
diff --git a/rinja_derive/clippy.toml b/rinja_derive/clippy.toml
new file mode 120000
index 000000000..85f6167cb
--- /dev/null
+++ b/rinja_derive/clippy.toml
@@ -0,0 +1 @@
+../clippy.toml
\ No newline at end of file
diff --git a/rinja_derive/src/generator/expr.rs b/rinja_derive/src/generator/expr.rs
index cd03bbcf9..9611bbfd4 100644
--- a/rinja_derive/src/generator/expr.rs
+++ b/rinja_derive/src/generator/expr.rs
@@ -191,7 +191,7 @@ impl<'a> Generator<'a, '_> {
             [] => unreachable!(),
             [expr] => self.visit_expr(ctx, buf, expr),
             exprs => {
-                let (l, r) = exprs.split_at((exprs.len() + 1) / 2);
+                let (l, r) = exprs.split_at(exprs.len().div_ceil(2));
                 buf.write("rinja::helpers::Concat(&(");
                 self.visit_concat(ctx, buf, l)?;
                 buf.write("), &(");
diff --git a/rinja_derive_standalone/clippy.toml b/rinja_derive_standalone/clippy.toml
new file mode 120000
index 000000000..85f6167cb
--- /dev/null
+++ b/rinja_derive_standalone/clippy.toml
@@ -0,0 +1 @@
+../clippy.toml
\ No newline at end of file
diff --git a/rinja_parser/clippy.toml b/rinja_parser/clippy.toml
new file mode 120000
index 000000000..85f6167cb
--- /dev/null
+++ b/rinja_parser/clippy.toml
@@ -0,0 +1 @@
+../clippy.toml
\ No newline at end of file
diff --git a/rinja_parser/src/lib.rs b/rinja_parser/src/lib.rs
index 23e0eb143..51827c884 100644
--- a/rinja_parser/src/lib.rs
+++ b/rinja_parser/src/lib.rs
@@ -183,7 +183,7 @@ impl<'a> Span<'a> {
 impl<'a> From<&'a str> for Span<'a> {
     #[inline]
     fn from(value: &'a str) -> Self {
-        Self(value[..0].as_bytes().try_into().unwrap())
+        Self(value.as_bytes()[..0].try_into().unwrap())
     }
 }
 
diff --git a/testing-alloc/clippy.toml b/testing-alloc/clippy.toml
new file mode 120000
index 000000000..85f6167cb
--- /dev/null
+++ b/testing-alloc/clippy.toml
@@ -0,0 +1 @@
+../clippy.toml
\ No newline at end of file
diff --git a/testing-no-std/clippy.toml b/testing-no-std/clippy.toml
new file mode 120000
index 000000000..85f6167cb
--- /dev/null
+++ b/testing-no-std/clippy.toml
@@ -0,0 +1 @@
+../clippy.toml
\ No newline at end of file
diff --git a/testing/clippy.toml b/testing/clippy.toml
new file mode 120000
index 000000000..85f6167cb
--- /dev/null
+++ b/testing/clippy.toml
@@ -0,0 +1 @@
+../clippy.toml
\ No newline at end of file