diff --git a/zulu-11/Dockerfile b/zulu-11/Dockerfile
index 183d556..9e6a823 100644
--- a/zulu-11/Dockerfile
+++ b/zulu-11/Dockerfile
@@ -1,21 +1,19 @@
 ## compile dumb-init
-FROM gcc:9.2.0 as dumb-init-builder
+FROM gcc:11.2.0 as dumb-init-builder
 
 RUN git clone -b v1.2.2 --depth 1 --single-branch https://github.com/proofpoint/dumb-init.git
 RUN cd dumb-init && make
 
-FROM docker.io/azul/zulu-openjdk-debian:11.0.9-11.43.21
+FROM docker.io/azul/zulu-openjdk-debian:11.0.12-11.50.19
 COPY --from=dumb-init-builder /dumb-init/dumb-init /usr/local/bin/dumb-init
 
 RUN useradd -M -d /service -u 1000 service
 RUN mkdir -p /service/var
 RUN chown service /service/var
 
-RUN apt-get update && \
-   DEBIAN_FRONTEND=noninteractive apt-get install --assume-yes \
+#RUN apt-get update && \
+#   DEBIAN_FRONTEND=noninteractive apt-get install --assume-yes \
        # These packages are security updates
-       libx11-6=2:1.6.7-1+deb10u1 \
-       libx11-data=2:1.6.7-1+deb10u1
 
 USER service
 WORKDIR /service
diff --git a/zulu-8/Dockerfile b/zulu-8/Dockerfile
deleted file mode 100644
index dabf72a..0000000
--- a/zulu-8/Dockerfile
+++ /dev/null
@@ -1,23 +0,0 @@
-## compile dumb-init
-FROM gcc:9.2.0 as dumb-init-builder
-
-RUN git clone -b v1.2.2 --depth 1 --single-branch https://github.com/proofpoint/dumb-init.git
-RUN cd dumb-init && make
-
-FROM docker.io/azul/zulu-openjdk-debian:8u272-8.50.0.21
-
-RUN useradd -M -d /service -u 1000 service
-RUN mkdir -p /service/var
-RUN chown service /service/var
-
-RUN apt-get update && \
-   DEBIAN_FRONTEND=noninteractive apt-get install --assume-yes \
-       # These packages are security updates
-       libx11-6=2:1.6.7-1+deb10u1 \
-       libx11-data=2:1.6.7-1+deb10u1
-
-COPY --from=dumb-init-builder /dumb-init/dumb-init /usr/local/bin/dumb-init
-
-USER service
-WORKDIR /service
-ENTRYPOINT ["/usr/local/bin/dumb-init"]