diff --git a/build/bin/Dockerfile b/build/bin/Dockerfile
index 9b43433a..89047bb3 100644
--- a/build/bin/Dockerfile
+++ b/build/bin/Dockerfile
@@ -3,6 +3,7 @@
 FROM debian:9
 
 RUN apt-get update && \
+    apt-get upgrade -y && \
     apt-get install -y build-essential git wget pkg-config lxc-dev libzmq3-dev \
                        libgflags-dev libsnappy-dev zlib1g-dev libbz2-dev \
                        liblz4-dev graphviz && \
diff --git a/build/deb/Dockerfile b/build/deb/Dockerfile
index 9b21dfe5..df454131 100644
--- a/build/deb/Dockerfile
+++ b/build/deb/Dockerfile
@@ -3,6 +3,7 @@
 FROM blockbook-build:latest
 
 RUN apt-get update && \
+    apt-get upgrade -y && \
     apt-get install -y devscripts debhelper make dh-systemd dh-exec && \
     apt-get clean