diff --git a/.gitlab-ci/jobs/php_unit_tests/sequential/php_unit_tests.yml b/.gitlab-ci/jobs/php_unit_tests/sequential/php_unit_tests.yml
index 6c5074322a..96eb0f626f 100644
--- a/.gitlab-ci/jobs/php_unit_tests/sequential/php_unit_tests.yml
+++ b/.gitlab-ci/jobs/php_unit_tests/sequential/php_unit_tests.yml
@@ -155,6 +155,7 @@ seq-php7.4-mariadb10.5:
   extends:
     - .mysql-template
     - .test-template
+  allow_failure: true
   rules:
     - if: '$TEST_DISABLED == null && $CI_COMMIT_BRANCH == "master"'
     - if: '$TEST_DISABLED == null && $CI_COMMIT_BRANCH == "develop"'