diff --git a/.circleci/config.yml b/.circleci/config.yml
index 1c1503481..8c5de32b2 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -394,6 +394,10 @@ jobs:
           name: 'Save regressions'
           path: src/test/regress/regression.diffs
           when: on_fail
+      - store_artifacts:
+          name: 'Save mitmproxy output (failure test specific)'
+          path: src/test/regress/proxy.output
+          when: on_fail
       - store_artifacts:
           name: 'Save results'
           path: src/test/regress/results/