diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b49e6dbe3..fa97b61e1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -273,7 +273,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        docker-rev: ["Dockerfile", "Dockerfile.ultra-lite", "Dockerfile.fat"]
+        # docker-rev: ["Dockerfile", "Dockerfile.ultra-lite", "Dockerfile.fat"] # temp disable
+        docker-rev: ["Dockerfile.fat"]
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@95d9a5deda9de15063e7595e9719c11c38c90ae2 # v2.13.2
diff --git a/Dockerfile.fat b/Dockerfile.fat
index 94ffd5cf6..6b997ecf1 100644
--- a/Dockerfile.fat
+++ b/Dockerfile.fat
@@ -24,7 +24,7 @@ RUN ./gradlew clean build -x spotlessApply -x spotlessCheck -x test -x sonarqube
 # Main stage
 FROM alpine:3.22.2@sha256:4b7ce07002c69e8f3d704a9c5d6fd3053be500b7f1c69fc0d80990c2ad8dd412
 
-ADD https://download.documentfoundation.org/libreoffice/stable/25.8.2/deb/aarch64/LibreOffice_25.8.2_Linux_aarch64_deb.tar.gz /tmp/lo.tar.gz
+ADD https://download.documentfoundation.org/libreoffice/stable/25.2.6/deb/aarch64/LibreOffice_25.2.6_Linux_aarch64_deb.tar.gz /tmp/lo.tar.gz
 RUN mkdir -p /opt/libreoffice && \
     tar -xzf /tmp/lo.tar.gz -C /opt/libreoffice --strip-components=1 && \
     rm -f /tmp/lo.tar.gz && \