diff --git a/.ci/Debian11/Dockerfile b/.ci/Debian11/Dockerfile
deleted file mode 100644
index b994863bf..000000000
--- a/.ci/Debian11/Dockerfile
+++ /dev/null
@@ -1,26 +0,0 @@
-FROM debian:11
-
-RUN apt-get update && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-        build-essential \
-        ccache \
-        clang-format \
-        cmake \
-        file \
-        g++ \
-        git \
-        liblzma-dev \
-        libmariadb-dev-compat \
-        libprotobuf-dev \
-        libqt5multimedia5-plugins \
-        libqt5sql5-mysql \
-        libqt5svg5-dev \
-        libqt5websockets5-dev \
-        ninja-build \
-        protobuf-compiler \
-        qt5-image-formats-plugins \
-        qtmultimedia5-dev \
-        qttools5-dev \
-        qttools5-dev-tools \
-    && apt-get clean \
-    && rm -rf /var/lib/apt/lists/*
diff --git a/.ci/Servatrice_Debian11/Dockerfile b/.ci/Servatrice_Debian12/Dockerfile
similarity index 75%
rename from .ci/Servatrice_Debian11/Dockerfile
rename to .ci/Servatrice_Debian12/Dockerfile
index fadc9e0e7..21f6a036e 100644
--- a/.ci/Servatrice_Debian11/Dockerfile
+++ b/.ci/Servatrice_Debian12/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:11
+FROM debian:12
 
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
@@ -11,11 +11,11 @@ RUN apt-get update && \
         git \
         libmariadb-dev-compat \
         libprotobuf-dev \
-        libqt5sql5-mysql \
-        libqt5websockets5-dev \
+        libqt6sql6-mysql \
         ninja-build \
         protobuf-compiler \
-        qttools5-dev \
-        qttools5-dev-tools \
+        qt6-tools-dev \
+        qt6-tools-dev-tools \
+        qt6-websockets-dev \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
diff --git a/.ci/Ubuntu22.04/Dockerfile b/.ci/Ubuntu22.04/Dockerfile
deleted file mode 100644
index ff2e6e43b..000000000
--- a/.ci/Ubuntu22.04/Dockerfile
+++ /dev/null
@@ -1,28 +0,0 @@
-FROM ubuntu:22.04
-
-RUN apt-get update && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-        build-essential \
-        ccache \
-        clang-format \
-        cmake \
-        file \
-        g++ \
-        git \
-        libgl-dev \
-        liblzma-dev \
-        libmariadb-dev-compat \
-        libprotobuf-dev \
-        libqt6multimedia6 \
-        libqt6sql6-mysql \
-        libqt6svg6-dev \
-        libqt6websockets6-dev \
-        ninja-build \
-        protobuf-compiler \
-        qt6-image-formats-plugins \
-        qt6-l10n-tools \
-        qt6-multimedia-dev \
-        qt6-tools-dev \
-        qt6-tools-dev-tools \
-    && apt-get clean \
-    && rm -rf /var/lib/apt/lists/*
diff --git a/.ci/release_template.md b/.ci/release_template.md
index 0e6c05165..0fdb7ecb4 100644
--- a/.ci/release_template.md
+++ b/.ci/release_template.md
@@ -18,10 +18,8 @@ Available pre-compiled binaries for installation:
 
   <b>Linux</b>
    • <kbd>Ubuntu 24.04 LTS</kbd> <sub><i>Noble Numbat</i></sub>
-   • <kbd>Ubuntu 22.04 LTS</kbd> <sub><i>Jammy Jellyfish</i></sub>
    • <kbd>Debian 13</kbd> <sub><i>Trixie</i></sub>
    • <kbd>Debian 12</kbd> <sub><i>Bookworm</i></sub>
-   • <kbd>Debian 11</kbd> <sub><i>Bullseye</i></sub>
    • <kbd>Fedora 43</kbd>
    • <kbd>Fedora 42</kbd>
 
diff --git a/.github/workflows/desktop-build.yml b/.github/workflows/desktop-build.yml
index 02c3f7aec..99977ab01 100644
--- a/.github/workflows/desktop-build.yml
+++ b/.github/workflows/desktop-build.yml
@@ -111,12 +111,8 @@ jobs:
             package: skip    # We are packaged in Arch already
             allow-failure: yes
 
-          - distro: Debian
-            version: 11
-            package: DEB
-
           - distro: Servatrice_Debian
-            version: 11
+            version: 12
             package: DEB
             test: skip
             server_only: yes
@@ -139,10 +135,6 @@ jobs:
             version: 43
             package: RPM
 
-          - distro: Ubuntu
-            version: 22.04
-            package: DEB
-
           - distro: Ubuntu
             version: 24.04
             package: DEB