diff --git a/src/wasi.rs b/src/wasi.rs
index ef47b18b..9df9bf26 100644
--- a/src/wasi.rs
+++ b/src/wasi.rs
@@ -24,7 +24,7 @@ pub fn getrandom_inner(dest: &mut [MaybeUninit<u8>]) -> Result<(), Error> {
     // https://docs.rs/wasi/0.11.0+wasi-snapshot-preview1/src/wasi/lib_generated.rs.html#2046-2062
     // Note that size of an allocated object can not be bigger than isize::MAX bytes.
     // WASI 0.1 supports only 32-bit WASM, so casting length to `i32` is safe.
-    #[allow(clippy::cast_possible_truncation)]
+    #[allow(clippy::cast_possible_truncation, clippy::cast_possible_wrap)]
     let ret = unsafe { random_get(dest.as_mut_ptr() as i32, dest.len() as i32) };
     match ret {
         0 => Ok(()),