diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3f917583f11395bfab5a509cba7a5545f4b70bb4..c6e4dee6a1fc1cd75516a8a32cb8565dce116fd4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,6 +7,8 @@ deploy_test:
   variables:
     DOCKER_HOST: unix:///var/run/docker.sock
   script:
+    - echo "Clearing docker data..."
+    - docker system prune
     - echo "Deploying application to test server..."
     - docker volume create nustar_data || true
     - docker volume create nustar_public_media || true
@@ -35,6 +37,8 @@ deploy_production:
   variables:
     DOCKER_HOST: unix:///var/run/docker.sock
   script:
+    - echo "Clearing docker data..."
+    - docker system prune
     - echo "Deploying application to production server..."
     - docker volume create nustar_data || true
     - docker volume create mongo_data || true