diff --git a/.github/workflows/behat-sqlite.yml b/.github/workflows/behat-sqlite.yml
index 5f5874b..f100ea5 100644
--- a/.github/workflows/behat-sqlite.yml
+++ b/.github/workflows/behat-sqlite.yml
@@ -66,7 +66,7 @@ jobs:
           persist-credentials: false
           submodules: true
           repository: nextcloud/server
-          ref: master
+          ref: stable35
 
       - name: Checkout app
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
@@ -101,10 +101,10 @@ jobs:
             --admin-user admin \
             --admin-pass admin
           ./occ app:enable --force ${{ env.APP_NAME }}
-          git clone --depth 1 https://github.com/nextcloud/notifications apps/notifications
+          git clone --depth 1 --branch stable35 https://github.com/nextcloud/notifications apps/notifications
           composer --working-dir=apps/notifications install --no-dev
           ./occ app:enable --force notifications
-          git clone --depth 1 https://github.com/nextcloud/spreed apps/spreed
+          git clone --depth 1 --branch stable35 https://github.com/nextcloud/spreed apps/spreed
           composer --working-dir=apps/spreed install --no-dev
           ./occ app:enable --force spreed
           ./occ config:system:set auth.bruteforce.protection.enabled --value false --type boolean
diff --git a/.github/workflows/playwright.yml b/.github/workflows/playwright.yml
index 3404f33..e2fc4a9 100644
--- a/.github/workflows/playwright.yml
+++ b/.github/workflows/playwright.yml
@@ -66,7 +66,7 @@ jobs:
           persist-credentials: false
           submodules: true
           repository: nextcloud/server
-          ref: master
+          ref: stable35
 
       - name: Checkout app
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1