diff --git a/testing/static/docker-compose.yml b/testing/static/docker-compose.yml
index a682da8..713f6ce 100644
--- a/testing/static/docker-compose.yml
+++ b/testing/static/docker-compose.yml
@@ -33,7 +33,7 @@ x-fips-common: &fips-common
   env_file:
     - ./generated-configs${FIPS_CI_NAME_SUFFIX:-}/npubs.env
   environment:
-    - RUST_LOG=info
+    - RUST_LOG=${RUST_LOG:-info}
     # Passthrough for A/B benchmarking — set on the host shell before
     # `docker compose up` to override the worker-pool defaults.
     - FIPS_ENCRYPT_WORKERS=${FIPS_ENCRYPT_WORKERS:-}