diff --git a/docker/src/docker/Dockerfile b/docker/src/docker/Dockerfile
index b87898e1d2..ecef09e974 100644
--- a/docker/src/docker/Dockerfile
+++ b/docker/src/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM azul/zulu-openjdk:8u322
+FROM azul/zulu-openjdk:8u345
 
 ## Add packages, clean cache, create dirs, create corda user and change ownership
 RUN apt-get update && \
diff --git a/docker/src/docker/Dockerfile-debug b/docker/src/docker/Dockerfile-debug
index 6f69c0b2d5..e84148ae3e 100644
--- a/docker/src/docker/Dockerfile-debug
+++ b/docker/src/docker/Dockerfile-debug
@@ -1,4 +1,4 @@
-FROM azul/zulu-openjdk:8u322
+FROM azul/zulu-openjdk:8u345
 
 ## Add packages, clean cache, create dirs, create corda user and change ownership
 RUN apt-get update && \
diff --git a/docker/src/docker/DockerfileAL b/docker/src/docker/DockerfileAL
index eee206714b..cc6b505120 100644
--- a/docker/src/docker/DockerfileAL
+++ b/docker/src/docker/DockerfileAL
@@ -1,4 +1,4 @@
-FROM amazoncorretto:8u322-al2
+FROM amazoncorretto:8u342-al2
 
 ## Add packages, clean cache, create dirs, create corda user and change ownership
 RUN yum -y install bash && \