diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ba492987ba532a9e9308ddf51d8512b719319a1b..ba8ca18afb50771f251ca4ccc0f59885e9438e42 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -37,6 +37,7 @@ test-py3.5:
         - *virtualenv_definition
         - make test
     <<: *junit_definition
+    allow_failure: true
 
 test-py3.6:
     image: docker.km3net.de/base/python:3.6