diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c3d30a2d15..c0c70efc6b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1111,6 +1111,7 @@ system:clang:tsan:
   needs:
     - job: clang:tsan
       artifacts: true
+  allow_failure: true  # rrl (GL#4082), upforwd (GL#4072)
 
 unit:clang:tsan:
   variables: