diff --git a/debian/salsa-ci.yml b/debian/salsa-ci.yml
index cd07cb5..e7ace6e 100644
--- a/debian/salsa-ci.yml
+++ b/debian/salsa-ci.yml
@@ -3,10 +3,13 @@ stages:
 
 variables:
   DEBIAN_FRONTEND: "noninteractive"
+  # At https://salsa.debian.org/salsa-ci-team/pipeline/container_registry one can see which images are available
+  SALSA_CI_IMAGES: registry.salsa.debian.org/salsa-ci-team/pipeline
+  BASE_CI_IMAGES: ${SALSA_CI_IMAGES}/base
 
 build:
   stage: build
-  image: debian:sid
+  image: $BASE_CI_IMAGES:unstable
   retry:
     max: 2
     when: always