diff --git a/.github/scripts/build_projects.py b/.github/scripts/build_projects.py
index c84ed30d..4e7bb98f 100755
--- a/.github/scripts/build_projects.py
+++ b/.github/scripts/build_projects.py
@@ -19,7 +19,9 @@ def select_build_target():
         DESKTOP,
         OS_NAME
     )
-    if (PLATFORM_TARGET.startswith("android_")
+    if OS_NAME == "bionic" and PLATFORM_TARGET.endswith("_mixed"):
+        return ("libzim", )
+    elif (PLATFORM_TARGET.startswith("android_")
      or PLATFORM_TARGET.startswith("iOS")
      or PLATFORM_TARGET.startswith("macOS")):
         return ("libzim", "libkiwix")
diff --git a/.github/scripts/common.py b/.github/scripts/common.py
index 87a2e59f..a8abd936 100644
--- a/.github/scripts/common.py
+++ b/.github/scripts/common.py
@@ -45,15 +45,16 @@
     DEV_BRANCH = None
 
 RELEASE_OS_NAME = "macos" if OS_NAME == "osx" else "linux"
+EXTRA_NAME = "-bionic" if OS_NAME == "bionic" else ""
 
 PLATFORM_TO_RELEASE = {
-    "native_mixed": "{os}-x86_64".format(os=RELEASE_OS_NAME),
+    "native_mixed": "{os}-x86_64{extra}".format(os=RELEASE_OS_NAME, extra=EXTRA_NAME),
     "native_static": "{os}-x86_64".format(os=RELEASE_OS_NAME),
     "win32_static": "win-i686",
     "armhf_static": "{os}-armhf".format(os=RELEASE_OS_NAME),
     "armhf_mixed": "{os}-armhf".format(os=RELEASE_OS_NAME),
     "aarch64_static": "{os}-aarch64".format(os=RELEASE_OS_NAME),
-    "aarch64_mixed": "{os}-aarch64".format(os=RELEASE_OS_NAME),
+    "aarch64_mixed": "{os}-aarch64{extra}".format(os=RELEASE_OS_NAME, extra=EXTRA_NAME),
     "i586_static": "{os}-i586".format(os=RELEASE_OS_NAME),
     "macOS_arm64_static": "{os}-arm64".format(os=RELEASE_OS_NAME),
     "macOS_arm64_mixed": "{os}-arm64".format(os=RELEASE_OS_NAME),
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index db94518c..ac2aa697 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,6 +31,12 @@ jobs:
         image_variant: ['focal']
         lib_postfix: ['/x86_64-linux-gnu']
         include:
+          - target: native_mixed
+            image_variant: bionic
+            lib_postfix: '/x86_64-linux-gnu'
+          - target: aarch64_mixed
+            image_variant: bionic
+            lib_postfix: '/aarch64-linux-gnu'
           - target: win32_static
             image_variant: f35
             lib_postfix: '64'
diff --git a/.github/workflows/container_images.yml b/.github/workflows/container_images.yml
index c4a2fd0d..e3f5e0bd 100644
--- a/.github/workflows/container_images.yml
+++ b/.github/workflows/container_images.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        variant: [f35, focal, alpine]
+        variant: [f35, focal, bionic, alpine]
     runs-on: ubuntu-22.04
 
     steps:
diff --git a/.github/workflows/releaseNigthly.yml b/.github/workflows/releaseNigthly.yml
index 012d6983..ae974d69 100644
--- a/.github/workflows/releaseNigthly.yml
+++ b/.github/workflows/releaseNigthly.yml
@@ -38,6 +38,9 @@ jobs:
           - target: native_mixed
             image_variant: focal
             lib_postfix: '/x86_64-linux-gnu'
+          - target: native_mixed
+            image_variant: bionic
+            lib_postfix: '/x86_64-linux-gnu'
           - target: native_desktop
             image_variant: focal
             lib_postfix: '/x86_64-linux-gnu'
@@ -56,6 +59,9 @@ jobs:
           - target: aarch64_mixed
             image_variant: focal
             lib_postfix: '/x86_64-linux-gnu'
+          - target: aarch64_mixed
+            image_variant: bionic
+            lib_postfix: '/aarch64-linux-gnu'
           - target: win32_static
             image_variant: f35
             lib_postfix: '64'
diff --git a/ci_images/bionic_builder.dockerfile b/ci_images/bionic_builder.dockerfile
index 4f09f2eb..7aaf64e0 100644
--- a/ci_images/bionic_builder.dockerfile
+++ b/ci_images/bionic_builder.dockerfile
@@ -4,42 +4,21 @@ ENV LANG C.UTF-8
 ENV OS_NAME bionic
 
 RUN apt update -q \
-  && dpkg --add-architecture i386 \
-  && apt install -q -y --no-install-recommends software-properties-common \
-  && add-apt-repository ppa:beineri/opt-qt-5.15.2-bionic \
   && apt-get update \
   && apt install -q -y --no-install-recommends \
 # Base build tools
     build-essential automake libtool cmake ccache pkg-config autopoint patch \
     python3-pip python3-setuptools python3-wheel git subversion wget unzip \
-    ninja-build openssh-client curl libgl-dev \
-# Python (2) is needed to install android-ndk
-    python \
+    ninja-build openssh-client curl \
 # Packaged dependencies
-    libbz2-dev libmagic-dev uuid-dev zlib1g-dev \
-    libmicrohttpd-dev aria2 libgtest-dev libgl-dev \
-# Devel package to compile python modules
-    libxml2-dev libxslt-dev python3-dev \
-# Qt packages
-    qt515base qt515webengine qt515svg qt515imageformats qt515wayland \
-# To create the appimage of kiwix-desktop
-    libfuse2 fuse patchelf \
-# Flatpak tools
-    elfutils flatpak flatpak-builder \
-# Cross compile i586
-    libc6-dev-i386 lib32stdc++6 gcc-multilib g++-multilib \
+    libbz2-dev uuid-dev zlib1g-dev \
+    libgtest-dev \
 # Other tools (to remove)
 #    vim less grep \
   && apt-get clean -y \
   && rm -rf /var/lib/apt/lists/* /usr/share/doc/* /var/cache/debconf/* \
   && pip3 install meson pytest gcovr requests distro
 
-# Set qt515 environment (the equivalent of "source /opt/qt515/bin/qt515-env.sh")
-# RUN echo "source /opt/qt515/bin/qt515-env.sh" >> /home/runner/.bashrc
-ENV PATH=/opt/qt515/bin:$PATH \
-    LD_LIBRARY_PATH=/opt/qt515/lib/x86_64-linux-gnu:/opt/qt515/lib:$LD_LIBRARY_PATH \
-    PKG_CONFIG_PATH=/opt/qt515/lib/pkgconfig:$PKG_CONFIG_PATH
-
 # Create user
 RUN groupadd --gid 121 runner
 RUN useradd --uid 1001 --gid 121 --create-home runner
diff --git a/kiwixbuild/dependencies/armhf.py b/kiwixbuild/dependencies/armhf.py
index c0b350da..b1501d93 100644
--- a/kiwixbuild/dependencies/armhf.py
+++ b/kiwixbuild/dependencies/armhf.py
@@ -8,7 +8,7 @@
 armhf_base_url = base_url + 'Raspberry%20Pi%20GCC%20Cross-Compiler%20Toolchains/Stretch/GCC%2010.3.0/Raspberry%20Pi%202%2C%203/'
 
 # This is Gcc 10.3.0 and ALL rapsberry Pi arch64
-aarch_base_url = base_url + 'Bonus%20Raspberry%20Pi%20GCC%2064-Bit%20Toolchains/Raspberry%20Pi%20GCC%2064-Bit%20Cross-Compiler%20Toolchains/Stretch/GCC%2010.3.0/'
+aarch_base_url = base_url + 'Bonus%20Raspberry%20Pi%20GCC%2064-Bit%20Toolchains/Raspberry%20Pi%20GCC%2064-Bit%20Cross-Compiler%20Toolchains/Stretch/GCC%206.3.0/'
 
 class armhf_toolchain(Dependency):
     dont_skip = True
@@ -29,8 +29,8 @@ class aarch64_toolchain(Dependency):
     name = "aarch64"
 
     class Source(ReleaseDownload):
-        archive = Remotefile('cross-gcc-10.3.0-pi_64.tar.gz',
-                             '5b3fdb7ee8c496c377ab8b11d7ffd404b4d3041f4fdcfeebcbcb734d45a5f3e9',
-                             aarch_base_url + 'cross-gcc-10.3.0-pi_64.tar.gz')
+        archive = Remotefile('cross-gcc-6.3.0-pi_64.tar.gz',
+                             '1b048bb8886ad63d21797cd9129fc37b9ea0dfaac7e3c36f888aa16fbec1d320',
+                             aarch_base_url + 'cross-gcc-6.3.0-pi_64.tar.gz')
 
     Builder = NoopBuilder
diff --git a/kiwixbuild/versions.py b/kiwixbuild/versions.py
index 08c994bf..1337e79e 100644
--- a/kiwixbuild/versions.py
+++ b/kiwixbuild/versions.py
@@ -39,7 +39,7 @@
 
 # This is the "version" of the whole base_deps_versions dict.
 # Change this when you change base_deps_versions.
-base_deps_meta_version = '85'
+base_deps_meta_version = '86'
 
 base_deps_versions = {
   'zlib' : '1.2.12',