diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 786ffee7a965d243b344d56f1278a8c21398d05e..1d17334b6ad9a82c9d4a4cb6656b56d129a71b75 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,9 @@
 default:
   before_script:
     - set -ex
-    - env
+    # env -0 | sort -z | tr '\0' '\n': Sort env output alphabetically, keeping multiline variables intact
+    # egrep: Remove sensitive information from the output of env
+    - env -0 | sort -z | tr '\0' '\n' | egrep -ve '^(DOCKER_AUTH_CONFIG|GOOGLE_APPLICATION_CREDENTIALS)=.*'
   interruptible: true
   tags:
     - 1cpu-4gb # build on smaller machine