diff --git a/backend/Dockerfile b/backend/Dockerfile
index 94a2a88..b80882d 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,5 +1,5 @@
 FROM ghcr.io/steamdeckhomebrew/holo-toolchain-rust:latest
 
-RUN pacman -S --noconfirm cmake make
+RUN pacman -S --noconfirm cmake make clang
 
 ENTRYPOINT [ "/backend/entrypoint.sh" ]
diff --git a/backend/create_docker_img.sh b/backend/create_docker_img.sh
index 4ff3064..56e59b6 100755
--- a/backend/create_docker_img.sh
+++ b/backend/create_docker_img.sh
@@ -1,4 +1,4 @@
 #!/bin/bash
 # build docker container locally (for testing)
 
-docker build -t powertools_backend .
+docker build --pull --rm -t powertools_backend .