diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 254f67e1..a5f0e421 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -64,11 +64,27 @@ variables:
 .setup_fastlane_android:
   extends: .build_rule
   before_script:
+    - export PATH="$HOME/.rbenv/bin:$PATH"
+    - eval "$(rbenv init -)"
+    - rbenv global 2.7.8
+    - export PATH="$HOME/.rbenv/shims:$PATH"
+    - which ruby
+    - ruby -v
+    - gem install bundler
     - ls -li
     - export NEXT_VERSION="$(cat app_new.version)"
     - bundle config set --local path 'vendor/bundle'
     - bundle install --gemfile android/Gemfile --quiet
     - gem pristine --all || true
+  script:
+    - echo "=== DEBUG INFO (android) ==="
+    - which ruby
+    - ruby -v
+    - which gem
+    - gem -v
+    - echo $PATH
+    - env
+    - bash android/build.sh
   cache:
     paths:
       - app_new.version
@@ -76,11 +92,27 @@ variables:
 .setup_fastlane_ios:
   extends: .build_rule
   before_script:
+    - export PATH="$HOME/.rbenv/bin:$PATH"
+    - eval "$(rbenv init -)"
+    - rbenv global 2.7.8
+    - export PATH="$HOME/.rbenv/shims:$PATH"
+    - which ruby
+    - ruby -v
+    - gem install bundler
     - ls -li
     - export NEXT_VERSION="$(cat app_new.version)"
     - bundle config set --local path 'vendor/bundle'
     - bundle install --gemfile ios/Gemfile --quiet
     - gem pristine --all || true
+  script:
+    - echo "=== DEBUG INFO (ios) ==="
+    - which ruby
+    - ruby -v
+    - which gem
+    - gem -v
+    - echo $PATH
+    - env
+    - bash ios/build.sh
   cache:
     paths:
       - app_new.version