diff --git a/.github/workflows/packages.yml b/.github/workflows/packages.yml
index 5a2d45f6..fd59cfde 100644
--- a/.github/workflows/packages.yml
+++ b/.github/workflows/packages.yml
@@ -96,6 +96,7 @@ jobs:
           CIBW_TEST_COMMAND: >-
             export PYTHONPATH={project} &&
             python -c "import tests; tests.unittest.main(defaultTest='tests.test_suite')"
+          CIBW_ENVIRONMENT_PASS_LINUX: LIBPQ_VERSION OPENSSL_VERSION
           CIBW_ENVIRONMENT: >-
             PACKAGE_NAME=psycopg2-binary
             LIBPQ_BUILD_PREFIX=/host/tmp/libpq.build