diff --git a/.github/workflows/build_test.yml b/.github/workflows/build_test.yml
index ff02017b1..27ca73783 100644
--- a/.github/workflows/build_test.yml
+++ b/.github/workflows/build_test.yml
@@ -27,6 +27,8 @@ jobs:
     steps:
       - name: checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - name: checkout conan-odr-index
+        run: git submodule update --init --depth 1 conan-odr-index
 
       - name: ubuntu install ccache
         if: runner.os == 'Linux'
@@ -50,11 +52,6 @@ jobs:
         if: startsWith(matrix.host_profile, 'android')
         run: yes | ${ANDROID_HOME}/cmdline-tools/latest/bin/sdkmanager --install 'ndk;${{ matrix.ndk_version }}'
 
-      - name: fetch conan-odr-index
-        uses: actions/checkout@v4
-        with:
-          repository: opendocument-app/conan-odr-index
-          path: conan-odr-index
       - name: export conan-odr-index
         run: python conan-odr-index/scripts/conan_export_all_packages.py
       - name: conan config
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index dc56b6eba..276c8b19a 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -15,6 +15,8 @@ jobs:
     steps:
       - name: checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - name: checkout conan-odr-index
+        run: git submodule update --init --depth 1 conan-odr-index
 
       - name: ubuntu install ccache
         if: runner.os == 'Linux'
@@ -37,11 +39,6 @@ jobs:
       - name: get version
         run: echo "VERSION=${GITHUB_REF_NAME:1}" >> $GITHUB_ENV
 
-      - name: fetch conan-odr-index
-        uses: actions/checkout@v4
-        with:
-          repository: opendocument-app/conan-odr-index
-          path: conan-odr-index
       - name: export conan-odr-index
         run: python conan-odr-index/scripts/conan_export_all_packages.py
       - name: conan config
diff --git a/.github/workflows/tidy.yml b/.github/workflows/tidy.yml
index 53d42de13..7534539f2 100644
--- a/.github/workflows/tidy.yml
+++ b/.github/workflows/tidy.yml
@@ -22,6 +22,8 @@ jobs:
     steps:
       - name: checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - name: checkout conan-odr-index
+        run: git submodule update --init --depth 1 conan-odr-index
 
       - name: ubuntu install ccache
         if: runner.os == 'Linux'
@@ -43,11 +45,6 @@ jobs:
       - name: install python dependencies
         run: pip install --upgrade pip conan
 
-      - name: fetch conan-odr-index
-        uses: actions/checkout@v4
-        with:
-          repository: opendocument-app/conan-odr-index
-          path: conan-odr-index
       - name: export conan-odr-index
         run: python conan-odr-index/scripts/conan_export_all_packages.py
       - name: conan config
diff --git a/.gitmodules b/.gitmodules
index 1c9ed7bf5..f60e96a52 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "test/data/reference-output/odr-private"]
 	path = test/data/reference-output/odr-private
 	url = git@github.com:opendocument-app/OpenDocument.test-private.output.git
+[submodule "conan-odr-index"]
+	path = conan-odr-index
+	url = https://github.com/opendocument-app/conan-odr-index.git
diff --git a/conan-odr-index b/conan-odr-index
new file mode 160000
index 000000000..984750333
--- /dev/null
+++ b/conan-odr-index
@@ -0,0 +1 @@
+Subproject commit 98475033331d51251df1785336600f9fbb5b2761