diff --git a/.github/actions/flatpak-builder-lint/action.yaml b/.github/actions/flatpak-builder-lint/action.yaml
index cfbf9fadc3b164..32d238a30b3fbf 100644
--- a/.github/actions/flatpak-builder-lint/action.yaml
+++ b/.github/actions/flatpak-builder-lint/action.yaml
@@ -33,23 +33,6 @@ runs:
             ;;
         esac
 
-    - uses: actions/checkout@v4
-      with:
-        repository: flathub/flatpak-builder-lint
-        ref: v2.0.13
-        path: flatpak-builder-lint
-        set-safe-directory: ${{ inputs.workingDirectory }}
-
-    - name: Install Dependencies 🛍️
-      shell: bash
-      working-directory: ${{ inputs.workingDirectory }}
-      run: |
-        : Install Dependencies 🛍️
-        echo ::group::Install Dependencies
-        dnf install -y -q poetry jq
-        poetry -q -C flatpak-builder-lint install
-        echo ::endgroup::
-
     - name: Run flatpak-builder-lint
       id: result
       shell: bash
@@ -57,7 +40,7 @@ runs:
       run: |
         : Run flatpak-builder-lint
         exit_code=0
-        ret=$(poetry -C flatpak-builder-lint run flatpak-builder-lint --exceptions ${{ inputs.artifact }} ${{ inputs.path }}) || exit_code=$?
+        ret=$(flatpak-builder-lint --exceptions ${{ inputs.artifact }} ${{ inputs.path }}) || exit_code=$?
         if [[ $exit_code != 0 && -z "$ret" ]]; then
           echo "::error::Error while running flatpak-builder-lint"
           exit 2
@@ -72,7 +55,7 @@ runs:
         for ((i = 0 ; i < $(echo $ret | jq '.errors | length') ; i++)); do
           error=$(echo $ret | jq ".errors[$i]")
 
-          if [[ "${{ inputs.validateToPublish }}" == "false" && "${error//\"}" == "appstream-screenshots-not-mirrored" ]]; then
+          if [[ "${{ inputs.validateToPublish }}" == "false" && "${error//\"}" == "appstream-screenshots-not-mirrored-in-ostree" ]]; then
             echo "::notice::$error found and ignored in the Flatpak ${{ inputs.artifact }}"
             n_errors=$(($n_errors-1))
           else
diff --git a/.github/workflows/build-project.yaml b/.github/workflows/build-project.yaml
index 19f4918558551e..e213740507d24a 100644
--- a/.github/workflows/build-project.yaml
+++ b/.github/workflows/build-project.yaml
@@ -249,7 +249,7 @@ jobs:
       run:
         shell: bash
     container:
-      image: bilelmoussaoui/flatpak-github-actions:kde-6.5
+      image: ghcr.io/tytan652/flatpak-github-actions:kde-6.6-x86_64
       options: --privileged
     steps:
       - uses: actions/checkout@v4
@@ -268,8 +268,7 @@ jobs:
 
           git config --global --add safe.directory "${GITHUB_WORKSPACE}"
 
-          echo '::group::Install GitHub CLI tool'
-          dnf install -y -q gh
+          echo '::group::Install GitHub CLI Actions Cache Extension'
           gh extension install actions/gh-actions-cache
           echo '::endgroup::'
 
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 219f4125203c06..d1e623e557c532 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -59,7 +59,7 @@ jobs:
       YOUTUBE_SECRET: ${{ secrets.YOUTUBE_SECRET }}
       YOUTUBE_SECRET_HASH: ${{ secrets.YOUTUBE_SECRET_HASH }}
     container:
-      image: bilelmoussaoui/flatpak-github-actions:kde-6.5
+      image: ghcr.io/tytan652/flatpak-github-actions:kde-6.6-x86_64
       options: --privileged
     strategy:
       matrix:
@@ -81,7 +81,6 @@ jobs:
 
           git config --global --add safe.directory "${GITHUB_WORKSPACE}"
 
-          dnf install -y -q gh
           gh extension install actions/gh-actions-cache
 
           cache_key='flatpak-builder-${{ hashFiles('build-aux/**/*.json') }}'