diff --git a/static-build/nemu/Dockerfile b/static-build/nemu/Dockerfile
index f8c52f29e5..61ea52420b 100644
--- a/static-build/nemu/Dockerfile
+++ b/static-build/nemu/Dockerfile
@@ -12,7 +12,7 @@ ARG VIRTIOFSD
 ARG PREFIX
 
 WORKDIR /root/nemu
-RUN apt-get update
+RUN apt-get update && apt-get upgrade -y
 RUN apt-get install -y \
 	    autoconf \
 	    automake \
diff --git a/static-build/qemu/Dockerfile b/static-build/qemu/Dockerfile
index 1bc492590a..3d79f853d0 100644
--- a/static-build/qemu/Dockerfile
+++ b/static-build/qemu/Dockerfile
@@ -6,7 +6,7 @@ ARG QEMU_VERSION
 ARG PREFIX
 
 WORKDIR /root/qemu
-RUN apt-get update
+RUN apt-get update && apt-get upgrade -y
 RUN apt-get install -y \
 	    autoconf \
 	    automake \