diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index fd02ff3..cdedf3f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -371,25 +371,6 @@ build_kali_rolling_arm:
     paths:
       - output/
 
-build_centos7:
-  stage: build
-  allow_failure: true
-  tags:
-    - oci-fixed-amd
-  before_script:
-    - *prepare_build
-    - *prepare_www
-  after_script:
-    - *prepare_artfacts
-  script:
-    - bash builder/build-package centos core
-  only:
-    variables:
-      - $BUILD_JOBS == 'all' || $BUILD_JOBS =~ $CI_JOB_NAME
-  artifacts:
-    paths:
-      - output/
-
 build_oracle_8:
   stage: build
   allow_failure: true
@@ -818,6 +799,44 @@ build_alpine_320_arm:
     paths:
       - output/
 
+build_alpine_321:
+  stage: build
+  allow_failure: true
+  tags:
+    - oci-fixed-amd
+  before_script:
+    - *prepare_build
+    - *prepare_www
+  after_script:
+    - *prepare_artfacts
+  script:
+    - bash builder/build-package alpine 321;
+  only:
+    variables:
+      - $BUILD_JOBS == 'all' || $BUILD_JOBS =~ $CI_JOB_NAME
+  artifacts:
+    paths:
+      - output/
+
+build_alpine_321_arm:
+  stage: build
+  allow_failure: true
+  tags:
+    - oci-fixed-arm
+  before_script:
+    - *prepare_build
+    - *prepare_www
+  after_script:
+    - *prepare_artfacts
+  script:
+    - bash builder/build-package alpine 321;
+  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_321.apk.build b/builder/dockerfile.alpine_321.apk.build
new file mode 100644
index 0000000..b67ef79
--- /dev/null
+++ b/builder/dockerfile.alpine_321.apk.build
@@ -0,0 +1,7 @@
+FROM alpine:3.21
+
+RUN apk add shadow bash
+
+RUN useradd -m docker && echo "docker:docker" | chpasswd
+
+USER docker
diff --git a/builder/dockerfile.alpine_321.build b/builder/dockerfile.alpine_321.build
new file mode 100644
index 0000000..69954a5
--- /dev/null
+++ b/builder/dockerfile.alpine_321.build
@@ -0,0 +1,82 @@
+FROM alpine:3.21
+
+ENV KASMVNC_BUILD_OS alpine
+ENV KASMVNC_BUILD_OS_CODENAME 321
+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.kali_kali-rolling.build b/builder/dockerfile.kali_kali-rolling.build
index d3ce176..ece61b0 100644
--- a/builder/dockerfile.kali_kali-rolling.build
+++ b/builder/dockerfile.kali_kali-rolling.build
@@ -4,8 +4,6 @@ ENV KASMVNC_BUILD_OS kali
 ENV KASMVNC_BUILD_OS_CODENAME kali-rolling
 ENV XORG_VER 1.20.10
 ENV DEBIAN_FRONTEND noninteractive
-ENV CC=gcc-11
-ENV CXX=g++-11
 
 RUN grep '^deb'  /etc/apt/sources.list | sed 's#^deb#deb-src#' >> /etc/apt/sources.list
 
@@ -14,7 +12,7 @@ RUN apt-get update && \
 
 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 gcc-11 g++-11 curl
+RUN apt-get update && apt-get -y install gcc g++ curl
 RUN apt-get update && apt-get -y install cmake git libgnutls28-dev vim wget tightvncserver
 RUN apt-get update && apt-get -y install libpng-dev libtiff-dev libgif-dev libavcodec-dev libssl-dev libxrandr-dev libxcursor-dev