diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c5563deaadc7cd4a763ef5df71ae27565b30c974..def54ae6a67e9998096734c17aa4c122fcf48de8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,6 +5,7 @@ build:
   image: debian:stable
   stage: build
   script:
+  - apt-get install software-properties-common
   - add-apt-repository ppa:openjdk-r/ppa
   - apt-get update
   - apt install openjdk-11-jre-headless