diff --git a/docker/backend/Dockerfile b/docker/backend/Dockerfile
index 8a7b3f3ac..ccb170b04 100644
--- a/docker/backend/Dockerfile
+++ b/docker/backend/Dockerfile
@@ -5,6 +5,7 @@ RUN apt-get -y update
 
 RUN apt-get -y install haskell-stack git
 RUN apt-get -y install alex g++ happy libghc-zlib-dev libpq-dev libsodium-dev locales locales-all pkg-config
+RUN apt-get -y install llvm
 
 WORKDIR /fradrive