diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 196d8fa..9021887 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -243,6 +243,43 @@ build_debian_bullseye_arm:
     paths:
       - output/
 
+
+build_debian_bookworm:
+  stage: build
+  allow_failure: true
+  before_script:
+    - *prepare_build
+    - *prepare_www
+  after_script:
+    - *prepare_artfacts
+  script:
+    - bash builder/build-package debian bookworm;
+  only:
+    variables:
+      - $BUILD_JOBS == 'all' || $BUILD_JOBS =~ $CI_JOB_NAME
+  artifacts:
+    paths:
+      - output/
+
+build_debian_bookworm_arm:
+  stage: build
+  allow_failure: true
+  tags:
+    - oci-fixed-arm64
+  before_script:
+    - *prepare_build
+    - *prepare_www
+  after_script:
+    - *prepare_artfacts
+  script:
+    - bash builder/build-package debian bookworm;
+  only:
+    variables:
+      - $BUILD_JOBS == 'all' || $BUILD_JOBS =~ $CI_JOB_NAME
+  artifacts:
+    paths:
+      - output/
+
 build_kali_rolling:
   stage: build
   allow_failure: true
@@ -440,6 +477,42 @@ build_fedora_thirtyseven_arm:
     paths:
       - output/
 
+build_fedora_thirtyeight:
+  stage: build
+  allow_failure: true
+  before_script:
+    - *prepare_build
+    - *prepare_www
+  after_script:
+    - *prepare_artfacts
+  script:
+    - bash builder/build-package fedora thirtyeight;
+  only:
+    variables:
+      - $BUILD_JOBS == 'all' || $BUILD_JOBS =~ $CI_JOB_NAME
+  artifacts:
+    paths:
+      - output/
+  
+build_fedora_thirtyeight_arm:
+  stage: build
+  allow_failure: true
+  tags:
+    - oci-fixed-arm64
+  before_script:
+    - *prepare_build
+    - *prepare_www
+  after_script:
+    - *prepare_artfacts
+  script:
+    - bash builder/build-package fedora thirtyeight;
+  only:
+    variables:
+      - $BUILD_JOBS == 'all' || $BUILD_JOBS =~ $CI_JOB_NAME
+  artifacts:
+    paths:
+      - output/
+
 build_alpine_317:
   stage: build
   allow_failure: true
@@ -483,6 +556,43 @@ test:
   script:
     - bash builder/test-vncserver
 
+
+build_alpine_318:
+  stage: build
+  allow_failure: true
+  before_script:
+    - *prepare_build
+    - *prepare_www
+  after_script:
+    - *prepare_artfacts
+  script:
+    - bash builder/build-package alpine 318;
+  only:
+    variables:
+      - $BUILD_JOBS == 'all' || $BUILD_JOBS =~ $CI_JOB_NAME
+  artifacts:
+    paths:
+      - output/
+  
+build_alpine_318_arm:
+  stage: build
+  allow_failure: true
+  tags:
+    - oci-fixed-arm64
+  before_script:
+    - *prepare_build
+    - *prepare_www
+  after_script:
+    - *prepare_artfacts
+  script:
+    - bash builder/build-package alpine 318;
+  only:
+    variables:
+      - $BUILD_JOBS == 'all' || $BUILD_JOBS =~ $CI_JOB_NAME
+  artifacts:
+    paths:
+      - output/
+
 upload:
   stage: upload
   image: ubuntu:focal
diff --git a/builder/dockerfile.alpine_318.apk.build b/builder/dockerfile.alpine_318.apk.build
new file mode 100644
index 0000000..9504897
--- /dev/null
+++ b/builder/dockerfile.alpine_318.apk.build
@@ -0,0 +1,7 @@
+FROM alpine:3.18
+
+RUN apk add shadow bash
+
+RUN useradd -m docker && echo "docker:docker" | chpasswd
+
+USER docker
diff --git a/builder/dockerfile.alpine_318.build b/builder/dockerfile.alpine_318.build
new file mode 100644
index 0000000..f446764
--- /dev/null
+++ b/builder/dockerfile.alpine_318.build
@@ -0,0 +1,82 @@
+FROM alpine:3.18
+
+ENV KASMVNC_BUILD_OS alpine
+ENV KASMVNC_BUILD_OS_CODENAME 318
+ENV XORG_VER 1.20.14
+
+RUN \
+  echo "**** install build deps ****" && \
+  apk add \
+    alpine-release \
+    alpine-sdk \
+    autoconf \
+    automake \
+    bash \
+    ca-certificates \
+    cmake \
+    coreutils \
+    curl \
+    eudev-dev \
+    font-cursor-misc \
+    font-misc-misc \
+    font-util-dev \
+    git \
+    grep \
+    jq \
+    libdrm-dev \
+    libepoxy-dev \
+    libjpeg-turbo-dev \
+    libjpeg-turbo-static \
+    libpciaccess-dev \
+    libtool \
+    libwebp-dev \
+    libx11-dev \
+    libxau-dev \
+    libxcb-dev \
+    libxcursor-dev \
+    libxcvt-dev \
+    libxdmcp-dev \
+    libxext-dev \
+    libxfont2-dev \
+    libxkbfile-dev \
+    libxrandr-dev \
+    libxshmfence-dev \
+    libxtst-dev \
+    mesa-dev \
+    mesa-dri-gallium \
+    meson \
+    nettle-dev \
+    openssl-dev \
+    pixman-dev \
+    procps \
+    shadow \
+    tar \
+    tzdata \
+    wayland-dev \
+    wayland-protocols \
+    xcb-util-dev \
+    xcb-util-image-dev \
+    xcb-util-keysyms-dev \
+    xcb-util-renderutil-dev \
+    xcb-util-wm-dev \
+    xinit \
+    xkbcomp \
+    xkbcomp-dev \
+    xkeyboard-config \
+    xorgproto \
+    xorg-server-common \
+    xorg-server-dev \
+    xtrans
+
+
+ENV SCRIPTS_DIR=/tmp/scripts
+COPY builder/scripts $SCRIPTS_DIR
+RUN $SCRIPTS_DIR/build-webp
+RUN $SCRIPTS_DIR/build-libjpeg-turbo
+
+RUN useradd -m docker && echo "docker:docker" | chpasswd
+
+COPY --chown=docker:docker . /src/
+
+USER docker
+ENTRYPOINT ["/src/builder/build.sh"]
diff --git a/builder/dockerfile.debian_bookworm.build b/builder/dockerfile.debian_bookworm.build
new file mode 100644
index 0000000..6c9b412
--- /dev/null
+++ b/builder/dockerfile.debian_bookworm.build
@@ -0,0 +1,38 @@
+FROM debian:bookworm-slim
+
+ENV KASMVNC_BUILD_OS debian
+ENV KASMVNC_BUILD_OS_CODENAME bookworm
+ENV XORG_VER 1.20.10
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN \
+  echo "**** add all sources ****" && \
+  echo "deb http://deb.debian.org/debian bookworm main contrib non-free non-free-firmware" > /etc/apt/sources.list && \
+  echo "deb-src http://deb.debian.org/debian bookworm main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
+  echo "deb http://deb.debian.org/debian bookworm-updates main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
+  echo "deb-src http://deb.debian.org/debian bookworm-updates main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
+  echo "deb http://deb.debian.org/debian bookworm-backports main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
+  echo "deb-src http://deb.debian.org/debian bookworm-backports main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
+  echo "deb http://security.debian.org/debian-security/ bookworm-security main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
+  echo "deb-src http://security.debian.org/debian-security/ bookworm-security main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
+  rm -f /etc/apt/sources.list.d/debian.sources
+
+RUN apt-get update && \
+      apt-get -y install sudo
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends tzdata
+RUN apt-get update && apt-get -y build-dep xorg-server libxfont-dev
+RUN apt-get update && apt-get -y install cmake git libgnutls28-dev vim wget tightvncserver curl
+RUN apt-get update && apt-get -y install libpng-dev libtiff-dev libgif-dev libavcodec-dev libssl-dev libxrandr-dev libxcursor-dev
+
+ENV SCRIPTS_DIR=/tmp/scripts
+COPY builder/scripts $SCRIPTS_DIR
+RUN $SCRIPTS_DIR/build-webp
+RUN $SCRIPTS_DIR/build-libjpeg-turbo
+
+RUN useradd -m docker && echo "docker:docker" | chpasswd && adduser docker sudo
+
+COPY --chown=docker:docker . /src/
+
+USER docker
+ENTRYPOINT ["/src/builder/build.sh"]
diff --git a/builder/dockerfile.debian_bookworm.deb.build b/builder/dockerfile.debian_bookworm.deb.build
new file mode 100644
index 0000000..2e61fbb
--- /dev/null
+++ b/builder/dockerfile.debian_bookworm.deb.build
@@ -0,0 +1,19 @@
+FROM debian:bookworm
+
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN apt-get update && \
+      apt-get -y install vim build-essential devscripts equivs
+
+# Install build-deps for the package.
+COPY ./debian/control /tmp
+RUN apt-get update && echo YYY | mk-build-deps --install --remove /tmp/control
+
+ARG L_UID
+RUN if [ "$L_UID" -eq 0 ]; then \
+      useradd -m docker; \
+    else \
+      useradd -m docker -u $L_UID;\
+    fi
+
+USER docker
diff --git a/builder/dockerfile.debian_bookworm.deb.test b/builder/dockerfile.debian_bookworm.deb.test
new file mode 100644
index 0000000..4224f7b
--- /dev/null
+++ b/builder/dockerfile.debian_bookworm.deb.test
@@ -0,0 +1,57 @@
+FROM debian:bookworm-slim
+
+ENV DISPLAY=:1 \
+    VNC_PORT=8443 \
+    VNC_RESOLUTION=1280x720 \
+    MAX_FRAME_RATE=24 \
+    VNCOPTIONS="-PreferBandwidth -DynamicQualityMin=4 -DynamicQualityMax=7" \
+    HOME=/home/user \
+    TERM=xterm \
+    STARTUPDIR=/dockerstartup \
+    INST_SCRIPTS=/dockerstartup/install \
+    KASM_RX_HOME=/dockerstartup/kasmrx \
+    DEBIAN_FRONTEND=noninteractive \
+    VNC_COL_DEPTH=24 \
+    VNC_RESOLUTION=1280x1024 \
+    VNC_PW=vncpassword \
+    VNC_USER=user \
+    VNC_VIEW_ONLY_PW=vncviewonlypassword \
+    LD_LIBRARY_PATH=/usr/local/lib/ \
+    OMP_WAIT_POLICY=PASSIVE \
+    SHELL=/bin/bash \
+    SINGLE_APPLICATION=0 \
+    KASMVNC_BUILD_OS=debian \
+    KASMVNC_BUILD_OS_CODENAME=buster
+
+EXPOSE $VNC_PORT
+
+WORKDIR $HOME
+
+### REQUIRED STUFF ###
+
+RUN apt-get update && apt-get install -y supervisor xfce4 xfce4-terminal dbus-x11 xterm libnss-wrapper gettext wget
+RUN apt-get purge -y pm-utils xscreensaver*
+RUN apt-get update && apt-get install -y vim less
+RUN apt-get update && apt-get -y install lsb-release
+
+RUN echo 'source $STARTUPDIR/generate_container_user' >> $HOME/.bashrc
+
+RUN mkdir -p $STARTUPDIR
+COPY builder/startup/ $STARTUPDIR
+
+### START CUSTOM STUFF ####
+
+COPY ./builder/scripts/ /tmp/scripts/
+COPY ./debian/changelog /tmp
+
+ARG KASMVNC_PACKAGE_DIR
+COPY $KASMVNC_PACKAGE_DIR/kasmvncserver_*.deb /tmp/
+RUN /tmp/scripts/install_kasmvncserver_package
+
+### END CUSTOM STUFF ###
+
+RUN chown -R 1000:0 $HOME
+USER 1000:ssl-cert
+WORKDIR $HOME
+
+ENTRYPOINT [ "/dockerstartup/vnc_startup.sh" ]
diff --git a/builder/dockerfile.fedora_thirtyeight.barebones.rpm.test b/builder/dockerfile.fedora_thirtyeight.barebones.rpm.test
new file mode 100644
index 0000000..4252609
--- /dev/null
+++ b/builder/dockerfile.fedora_thirtyeight.barebones.rpm.test
@@ -0,0 +1,19 @@
+FROM fedora:38
+
+ENV STARTUPDIR=/dockerstartup
+
+RUN dnf install -y xterm
+RUN dnf install -y vim less
+RUN yum install -y redhat-lsb-core
+
+ARG KASMVNC_PACKAGE_DIR
+COPY $KASMVNC_PACKAGE_DIR/*.rpm /tmp/
+RUN dnf localinstall -y /tmp/*.rpm
+
+RUN mkdir -p $STARTUPDIR
+COPY startup/vnc_startup_barebones.sh $STARTUPDIR
+
+RUN useradd -m foo
+USER foo:kasmvnc-cert
+
+ENTRYPOINT "/$STARTUPDIR/vnc_startup_barebones.sh"
diff --git a/builder/dockerfile.fedora_thirtyeight.build b/builder/dockerfile.fedora_thirtyeight.build
new file mode 100644
index 0000000..dbfae34
--- /dev/null
+++ b/builder/dockerfile.fedora_thirtyeight.build
@@ -0,0 +1,86 @@
+FROM fedora:38
+
+ENV KASMVNC_BUILD_OS fedora
+ENV KASMVNC_BUILD_OS_CODENAME thirtyeight
+ENV XORG_VER 1.20.14
+
+RUN \
+  echo "**** install build deps ****" && \
+  dnf group install -y \
+    "C Development Tools and Libraries" \
+    "Development Tools" && \
+  dnf install -y \
+    autoconf \
+    automake \
+    bison \
+    byacc \
+    bzip2 \
+    cmake \
+    diffutils \
+    doxygen \
+    file \
+    flex \
+    fop \
+    gcc \
+    gcc-c++ \
+    git \
+    glibc-devel \
+    libdrm-devel \
+    libepoxy-devel \
+    libmd-devel \
+    libpciaccess-devel \
+    libtool \
+    libwebp-devel \
+    libX11-devel \
+    libXau-devel \
+    libxcb-devel \
+    libXcursor-devel \
+    libxcvt-devel \
+    libXdmcp-devel \
+    libXext-devel \
+    libXfont2-devel \
+    libxkbfile-devel \
+    libXrandr-devel \
+    libxshmfence-devel \
+    libXtst-devel \
+    mesa-libEGL-devel \
+    mesa-libgbm-devel \
+    mesa-libGL-devel \
+    meson \
+    mingw64-binutils \
+    mt-st \
+    nettle-devel \
+    openssl-devel \
+    patch \
+    pixman-devel \
+    wayland-devel \
+    wget \
+    which \
+    xcb-util-devel \
+    xcb-util-image-devel \
+    xcb-util-keysyms-devel \
+    xcb-util-renderutil-devel \
+    xcb-util-wm-devel \
+    xinit \
+    xkbcomp \
+    xkbcomp-devel \
+    xkeyboard-config \
+    xmlto \
+    xorg-x11-font-utils \
+    xorg-x11-proto-devel \
+    xorg-x11-server-common \
+    xorg-x11-server-devel \
+    xorg-x11-xtrans-devel \
+    xsltproc
+
+ENV SCRIPTS_DIR=/tmp/scripts
+COPY builder/scripts $SCRIPTS_DIR
+RUN $SCRIPTS_DIR/build-webp
+RUN $SCRIPTS_DIR/build-libjpeg-turbo
+
+RUN useradd -m docker && echo "docker:docker" | chpasswd
+
+COPY --chown=docker:docker . /src/
+
+USER docker
+ENTRYPOINT ["/src/builder/build.sh"]
diff --git a/builder/dockerfile.fedora_thirtyeight.rpm.build b/builder/dockerfile.fedora_thirtyeight.rpm.build
new file mode 100644
index 0000000..8fc556f
--- /dev/null
+++ b/builder/dockerfile.fedora_thirtyeight.rpm.build
@@ -0,0 +1,13 @@
+FROM fedora:38
+
+RUN dnf install -y fedora-packager fedora-review
+RUN dnf install -y tree vim less
+RUN dnf install -y redhat-lsb-core
+RUN dnf install -y dnf-plugins-core
+
+COPY fedora/*.spec /tmp
+RUN dnf builddep -y /tmp/*.spec
+
+RUN useradd -m docker && echo "docker:docker" | chpasswd
+
+USER docker
diff --git a/builder/dockerfile.fedora_thirtyeight.rpm.test b/builder/dockerfile.fedora_thirtyeight.rpm.test
new file mode 100644
index 0000000..16975a0
--- /dev/null
+++ b/builder/dockerfile.fedora_thirtyeight.rpm.test
@@ -0,0 +1,62 @@
+FROM fedora:38
+
+ENV DISPLAY=:1 \
+    VNC_PORT=8443 \
+    VNC_RESOLUTION=1280x720 \
+    MAX_FRAME_RATE=24 \
+    VNCOPTIONS="-PreferBandwidth -DynamicQualityMin=4 -DynamicQualityMax=7" \
+    HOME=/home/user \
+    TERM=xterm \
+    STARTUPDIR=/dockerstartup \
+    INST_SCRIPTS=/dockerstartup/install \
+    KASM_RX_HOME=/dockerstartup/kasmrx \
+    DEBIAN_FRONTEND=noninteractive \
+    VNC_COL_DEPTH=24 \
+    VNC_RESOLUTION=1280x1024 \
+    VNC_PW=vncpassword \
+    VNC_USER=user \
+    VNC_VIEW_ONLY_PW=vncviewonlypassword \
+    LD_LIBRARY_PATH=/usr/local/lib/ \
+    OMP_WAIT_POLICY=PASSIVE \
+    SHELL=/bin/bash \
+    SINGLE_APPLICATION=0 \
+    KASMVNC_BUILD_OS=fedora \
+    KASMVNC_BUILD_OS_CODENAME=thirtythree
+
+EXPOSE $VNC_PORT
+
+WORKDIR $HOME
+
+### REQUIRED STUFF ###
+
+RUN dnf install -y openssl xterm gettext wget
+RUN dnf install -y nss_wrapper
+RUN dnf install -y xorg-x11-xauth xkeyboard-config
+# xorg-x11-server-Xorg
+# RUN dnf install -y @xfce-desktop-environment
+RUN dnf erase -y pm-utils xscreensaver*
+RUN dnf install -y redhat-lsb-core
+RUN dnf install -y vim less
+RUN dnf install -y @xfce-desktop-environment
+
+RUN echo 'source $STARTUPDIR/generate_container_user' >> $HOME/.bashrc
+
+RUN mkdir -p $STARTUPDIR
+COPY builder/startup/ $STARTUPDIR
+
+### START CUSTOM STUFF ####
+COPY ./builder/scripts/ /tmp/scripts/
+COPY ./fedora/kasmvncserver.spec /tmp
+
+ARG KASMVNC_PACKAGE_DIR
+COPY $KASMVNC_PACKAGE_DIR/*.rpm /tmp/
+# RUN dnf remove -y tigervnc-server-minimal
+RUN /tmp/scripts/install_kasmvncserver_package
+
+### END CUSTOM STUFF ###
+
+RUN chown -R 1000:0 $HOME
+USER 1000:kasmvnc-cert
+WORKDIR $HOME
+
+ENTRYPOINT [ "/dockerstartup/vnc_startup.sh" ]
diff --git a/builder/dockerfile.opensuse_15.barebones.rpm.test b/builder/dockerfile.opensuse_15.barebones.rpm.test
index d30eabb..3501b64 100644
--- a/builder/dockerfile.opensuse_15.barebones.rpm.test
+++ b/builder/dockerfile.opensuse_15.barebones.rpm.test
@@ -1,4 +1,4 @@
-FROM opensuse/leap:15.3
+FROM opensuse/leap:15.5
 
 ENV STARTUPDIR=/dockerstartup
 
diff --git a/builder/dockerfile.opensuse_15.build b/builder/dockerfile.opensuse_15.build
index 1580369..db2f130 100644
--- a/builder/dockerfile.opensuse_15.build
+++ b/builder/dockerfile.opensuse_15.build
@@ -1,4 +1,4 @@
-FROM opensuse/leap:15.3
+FROM opensuse/leap:15.5
 
 ENV KASMVNC_BUILD_OS opensuse
 ENV KASMVNC_BUILD_OS_CODENAME 15
diff --git a/builder/dockerfile.opensuse_15.rpm.build b/builder/dockerfile.opensuse_15.rpm.build
index d646c8a..35670c4 100644
--- a/builder/dockerfile.opensuse_15.rpm.build
+++ b/builder/dockerfile.opensuse_15.rpm.build
@@ -1,4 +1,4 @@
-FROM opensuse/leap:15.3
+FROM opensuse/leap:15.5
 
 ENV KASMVNC_BUILD_OS opensuse
 ENV KASMVNC_BUILD_OS_CODENAME 15