diff --git a/scripts/docker_build/sof_qemu/Dockerfile b/scripts/docker_build/sof_qemu/Dockerfile
index 6864cbd4a..d712478b2 100644
--- a/scripts/docker_build/sof_qemu/Dockerfile
+++ b/scripts/docker_build/sof_qemu/Dockerfile
@@ -38,7 +38,9 @@ RUN apt-get -y update && \
 		libpixman-1-dev \
 		pkg-config \
 		sudo \
-		bsdmainutils
+		bsdmainutils \
+		bison \
+		flex
 
 # Set up sof user
 RUN useradd --create-home -d /home/sof -u $UID -G sudo sof && \