diff --git a/Dockerfile b/Dockerfile
index 8ea956e793..5b782ca4b9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,7 +21,7 @@ RUN rustup default nightly
 
 # Install clang 11, common build tools
 RUN apt update && apt install -y build-essential gdb git wget python3-venv ninja-build lsb-release software-properties-common gnupg
-RUN wget https://apt.llvm.org/llvm.sh && chmod +x llvm.sh && ./llvm.sh 15
+RUN wget https://apt.llvm.org/llvm.sh && chmod +x llvm.sh && ./llvm.sh 16
 
 # Copy a dummy.rs and Cargo.toml first, so that dependencies are cached
 WORKDIR /libafl
diff --git a/libafl/src/feedbacks/map.rs b/libafl/src/feedbacks/map.rs
index 0cf81217e8..7365180cff 100644
--- a/libafl/src/feedbacks/map.rs
+++ b/libafl/src/feedbacks/map.rs
@@ -5,7 +5,7 @@ use alloc::{
     vec::Vec,
 };
 #[rustversion::nightly]
-use core::simd::cmp::SimdOrd;
+use core::simd::prelude::SimdOrd;
 use core::{
     fmt::Debug,
     marker::PhantomData,