diff --git a/fpga-build/Dockerfile b/fpga-build/Dockerfile
index 40561437..620657a7 100644
--- a/fpga-build/Dockerfile
+++ b/fpga-build/Dockerfile
@@ -6,6 +6,21 @@ MAINTAINER Harald Welte <laforge@gnumonks.org>
 ARG	FPGA_TOOLCHAIN_DATE=20200914
 ARG	RISCV_TOOLCHAIN_VER=8.3.0-1.2
 
+RUN	apt-get update && \
+	apt-get upgrade -y && \
+	apt-get install -y --no-install-recommends \
+		asciidoc \
+		asciidoc-dblatex \
+		dblatex \
+		docbook5-xml \
+		graphviz \
+		inkscape \
+		mscgen \
+		wget \
+		xsltproc && \
+	apt-get clean
+
+
 RUN	wget https://github.com/open-tool-forge/fpga-toolchain/releases/download/nightly-${FPGA_TOOLCHAIN_DATE}/fpga-toolchain-linux_x86_64-nightly-${FPGA_TOOLCHAIN_DATE}.tar.xz
 RUN	tar -C /opt -xf fpga-toolchain-linux_x86_64-nightly-${FPGA_TOOLCHAIN_DATE}.tar.xz && \
 	rm fpga-toolchain-linux_x86_64-nightly-${FPGA_TOOLCHAIN_DATE}.tar.xz
@@ -14,12 +29,6 @@ RUN	wget --quiet https://github.com/xpack-dev-tools/riscv-none-embed-gcc-xpack/r
 RUN	tar -C /opt -xf /xpack-riscv-none-embed-gcc-${RISCV_TOOLCHAIN_VER}-linux-x64.tar.gz && \
 	rm xpack-riscv-none-embed-gcc-${RISCV_TOOLCHAIN_VER}-linux-x64.tar.gz
 
-RUN	apt-get update && \
-	apt-get upgrade -y && \
-	apt-get install -y --no-install-recommends \
-		wget && \
-	apt-get clean
-
 RUN	useradd -m osmocom
 USER	osmocom
 WORKDIR	/home/osmocom