diff --git a/arch-builder/Dockerfile b/arch-builder/Dockerfile
index cfc6773..010a976 100644
--- a/arch-builder/Dockerfile
+++ b/arch-builder/Dockerfile
@@ -65,6 +65,7 @@ RUN pacman -S --noconfirm --needed \
     upx \
     docker \
     clang \
+    protobuf \
     jdk21-openjdk 
 
 FROM base as rootless