diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index ece6fbd2..dd68cad2 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -25,9 +25,6 @@ jobs:
         with:
           submodules: true
 
-      - name: install-rsync
-        run: apt-get update && apt-get install -y rsync
-
       - name: configure
         run: |
           rm -rf build
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 4b354ef4..9a53ff61 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -14,7 +14,7 @@ RUN apt-get update \
     && apt-get install --no-install-recommends --yes \
         build-essential \
         cmake \
-        g++-12 g++14 \
+        g++-12 g++-14 \
         clang-16 clang-18 \
         python3 \
         python3-pip \
@@ -24,6 +24,8 @@ RUN apt-get update \
         software-properties-common \
         git \
         apt-utils \
+        # for pages job
+        rsync \
     && python3 -m venv /gfmt-venv && . /gfmt-venv/bin/activate && pip install vtk \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*