diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ab394a72a8..c9b7d505b7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -162,6 +162,9 @@ build:rpm-fedora:
   extends: .build-rpm
   image: wireshark/wireshark-fedora-dev
   script:
+    # Shared GitLab runners limit the log size to 4M, so reduce verbosity. See
+    # https://gitlab.com/gitlab-com/support-forum/issues/2790
+    - unset VERBOSE
     - cmake3 -GNinja ..
     - ninja rpm-package
   needs: