diff --git a/.CI/CreateUbuntuDeb.sh b/.CI/CreateUbuntuDeb.sh
index 089e0a2aa..b2e6293d6 100755
--- a/.CI/CreateUbuntuDeb.sh
+++ b/.CI/CreateUbuntuDeb.sh
@@ -28,6 +28,10 @@ case "$ubuntu_release" in
         # Qt6 static-linked deb, see https://github.com/Chatterino/docker
         dependencies="libc6, libstdc++6, libglx0, libopengl0, libpng16-16, libharfbuzz0b, libfreetype6, libfontconfig1, libjpeg-turbo8, libxcb-glx0, libegl1, libx11-6, libxkbcommon0, libx11-xcb1, libxkbcommon-x11-0, libxcb-cursor0, libxcb-icccm4, libxcb-image0, libxcb-keysyms1, libxcb-randr0, libxcb-render-util0, libxcb-shm0, libxcb-sync1, libxcb-xfixes0, libxcb-render0, libxcb-shape0, libxcb-xkb1, libxcb1, libbrotli1, libglib2.0-0, zlib1g, libicu74, libpcre2-16-0, libssl3, libgraphite2-3, libexpat1, libuuid1, libxcb-util1, libxau6, libxdmcp6, libffi8, libmount1, libnotify4, libselinux1, libpcre3, libbsd0, libblkid1, libpcre2-8-0, libmd0"
         ;;
+    26.04)
+        # Qt6 static-linked deb, see https://github.com/Chatterino/docker
+        dependencies="libc6, libstdc++6, libglx0, libopengl0, libpng16-16, libharfbuzz0b, libfreetype6, libfontconfig1, libjpeg-turbo8, libxcb-glx0, libegl1, libx11-6, libxkbcommon0, libx11-xcb1, libxkbcommon-x11-0, libxcb-cursor0, libxcb-icccm4, libxcb-image0, libxcb-keysyms1, libxcb-randr0, libxcb-render-util0, libxcb-shm0, libxcb-sync1, libxcb-xfixes0, libxcb-render0, libxcb-shape0, libxcb-xkb1, libxcb1, libbrotli1, libglib2.0-0, zlib1g, libicu78, libpcre2-16-0, libssl3, libgraphite2-3, libexpat1, libuuid1, libxcb-util1, libxau6, libxdmcp6, libffi8, libmount1, libnotify4, libselinux1, libbsd0, libblkid1, libpcre2-dev, libmd0"
+        ;;
     *)
         echo "Unsupported Ubuntu release $ubuntu_release"
         exit 1
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 00c1d3ffe..af3135e1d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -45,7 +45,6 @@ jobs:
         include:
           - os: ubuntu-22.04
             container: ghcr.io/chatterino/chatterino2-build-ubuntu-22.04:latest
-            qt-version: 6.7.2
             force-lto: false
             skip-artifact: false
             skip-crashpad: false
@@ -53,7 +52,6 @@ jobs:
             plugins: true
           - os: ubuntu-24.04
             container: ghcr.io/chatterino/chatterino2-build-ubuntu-24.04:latest
-            qt-version: 6.7.2
             force-lto: false
             skip-artifact: false
             skip-crashpad: false
@@ -61,12 +59,18 @@ jobs:
             plugins: true
           - os: ubuntu-24.04
             container: ghcr.io/chatterino/chatterino2-build-ubuntu-24.04:latest
-            qt-version: 6.7.2
             force-lto: false
             skip-artifact: false
             skip-crashpad: false
             build-deb: false
             plugins: false
+          - os: ubuntu-26.04
+            container: ghcr.io/chatterino/chatterino2-build-ubuntu-26.04:latest
+            force-lto: false
+            skip-artifact: false
+            skip-crashpad: false
+            build-deb: true
+            plugins: true
     env:
       C2_ENABLE_LTO: ${{ matrix.force-lto }}
       C2_ENABLE_CRASHPAD: ${{ matrix.skip-crashpad == false }}
@@ -133,7 +137,7 @@ jobs:
         if: matrix.build-deb
         uses: actions/upload-artifact@v7
         with:
-          name: Chatterino-${{ matrix.os }}-Qt-${{ matrix.qt-version }}.deb
+          name: Chatterino-${{ matrix.os }}.deb
           path: build/Chatterino-${{ matrix.os }}-x86_64.deb
 
   build:
@@ -144,13 +148,13 @@ jobs:
         include:
           # macOS
           - os: macos-14
-            qt-version: 6.7.1
+            qt-version: 6.11.1
             force-lto: false
             skip-artifact: false
             skip-crashpad: false
           # Windows
           - os: windows-latest
-            qt-version: 6.7.1
+            qt-version: 6.8.3
             force-lto: false
             skip-artifact: false
             skip-crashpad: false
diff --git a/.github/workflows/check-formatting.yml b/.github/workflows/check-formatting.yml
index 5556482b3..13d360a7f 100644
--- a/.github/workflows/check-formatting.yml
+++ b/.github/workflows/check-formatting.yml
@@ -14,7 +14,7 @@ concurrency:
 
 jobs:
   check:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
       - uses: actions/checkout@v6
diff --git a/.github/workflows/clang-tidy.yml b/.github/workflows/clang-tidy.yml
index 81af1e6ba..4d8c7fa8d 100644
--- a/.github/workflows/clang-tidy.yml
+++ b/.github/workflows/clang-tidy.yml
@@ -16,9 +16,9 @@ jobs:
     strategy:
       matrix:
         include:
-          # Ubuntu 22.04, Qt 6.6
-          - os: ubuntu-22.04
-            qt-version: 6.6.2
+          # Ubuntu 24.04, Qt 6.11.1
+          - os: ubuntu-24.04
+            qt-version: 6.11.1
 
       fail-fast: false
 
diff --git a/.github/workflows/create-installer.yml b/.github/workflows/create-installer.yml
index f1c74e341..11b0dea98 100644
--- a/.github/workflows/create-installer.yml
+++ b/.github/workflows/create-installer.yml
@@ -18,7 +18,7 @@ jobs:
     if: ${{ github.event_name == 'workflow_dispatch' || github.event.workflow_run.conclusion == 'success' }}
     strategy:
       matrix:
-        qt-version: ["6.7.1"]
+        qt-version: ["6.11.1"]
     steps:
       - uses: actions/checkout@v6
         with:
diff --git a/.github/workflows/test-macos.yml b/.github/workflows/test-macos.yml
index 70dee6b24..f5523183b 100644
--- a/.github/workflows/test-macos.yml
+++ b/.github/workflows/test-macos.yml
@@ -24,7 +24,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-14]
-        qt-version: [6.7.1, 6.10.1]
+        qt-version: [6.8.3, 6.11.1]
       fail-fast: false
     env:
       QT_MODULES: qtimageformats
diff --git a/.github/workflows/test-windows.yml b/.github/workflows/test-windows.yml
index 8e2defc0d..b7e8cb904 100644
--- a/.github/workflows/test-windows.yml
+++ b/.github/workflows/test-windows.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest]
-        qt-version: [6.7.1]
+        qt-version: [6.8.3]
         skip-artifact: [false]
         skip-crashpad: [false]
       fail-fast: false