diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bb77ddb6fe2a5f331a760126c74e44077bc70a9b..ea1e9b586ff4ee0ab9c54154ded61e7465396c5c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -112,7 +112,7 @@ test:
   variables:
     GIT_DEPTH: 100
     GIT_SUBMODULE_STRATEGY: recursive
-    RUST_BACKTRACE: 1
+    RUST_BACKTRACE: full
   before_script:
     # Gitlab CI implicitly clones specific refs (e.g. `refs/pipelines/xxxxxxx`),
     # but it doesn't imply fetching tags. We clone them manually with the