diff --git a/Dockerfile b/Dockerfile
index c120c34..45b86bd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:bookworm
+FROM debian:bullseye
 
 RUN apt-get update && apt-get install -y ca-certificates
 
@@ -10,5 +10,3 @@ RUN apt-get update && \
         zstd binaryen cmake git make zlib1g-dev patch \
         llvm-15 llvm-15-dev liblld-15-dev lld-15 clang-15 libclang-15-dev \
         llvm-16 llvm-16-dev liblld-16-dev lld-16 clang-16 libclang-16-dev \
-        llvm-17 llvm-17-dev liblld-17-dev lld-17 clang-17 libclang-17-dev \
-        llvm-18 llvm-18-dev liblld-18-dev lld-18 clang-18 libclang-18-dev