diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c2641fa..5c756d2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -23,6 +23,7 @@
 
 # place project specific paths in variables to make the rest of the script more generic
 variables:
+  GIT_SUBMODULE_STRATEGY: recursive
   LIB_RELEASE_FOLDER: 'Borepin\Borepin\bin\Release'
   UWP_RELEASE_FOLDER: 'Borepin\Borepin.UWP\bin\x86\Release'
   TEST_FOLDER: 'Tests\bin\Release'
@@ -101,6 +102,21 @@ build_iOS:
       - Borepin/Borepin.iOS/bin/iPhone/Debug/Borepin.app.dSYM
       - '$env:TEST_FOLDER\'  # saving entire Test project so NUnit can run tests
 
+build_GTK:
+  stage: build
+  image: registry.gitlab.com/fabinfra/gtk-sharp-build:latest
+  tags:
+      - docker
+#   only:
+#     - tags  # the build process will only be started by git tag commits
+  script:
+    - 'nuget restore'  # restore Nuget dependencies
+    - 'msbuild -t:Borepin_GTK'  # build the project  /p:AndroidKeyStore=True
+  artifacts:
+    expire_in: 1 week  # save gitlab server space, we copy the files we need to deploy folder later on
+    paths:
+      - Borepin/Borepin.GTK/bin/Debug/
+
 # test_job:
 #   stage: test
 #   tags: