diff --git a/Dockerfile b/Dockerfile
index bf4140f..52d52cc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Fetch base image
-FROM debian:stretch as qemu
+FROM debian:buster as qemu
 
-ENV QEMU_VERSION 4.2.0
+ENV QEMU_VERSION 5.2.0
 # Install build dependencies
 RUN apt-get update -qq && apt-get install -yqq \
     build-essential \
@@ -13,6 +13,7 @@ RUN apt-get update -qq && apt-get install -yqq \
     libpixman-1-dev \
     pkg-config \
     python \
+    ninja-build \
     --no-install-recommends
 
 RUN curl "https://download.qemu.org/qemu-${QEMU_VERSION}.tar.xz" -o "qemu-${QEMU_VERSION}.tar.xz"