diff --git a/docker/Dockerfile b/docker/Dockerfile
index 9fda47064..63c5a3cff 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -17,7 +17,7 @@ RUN mv /wasi-sdk-* /wasi-sdk
 
 FROM ubuntu:22.04
 
-ENV LLVM_VERSION 17
+ENV LLVM_VERSION 18
 
 # Install build toolchain including clang, ld, make, autotools, ninja, and cmake
 RUN apt-get update && \