diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 093c628..cdf4381 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,7 +10,7 @@ before_script:
   - pwd
 
 build:x86_64:
-  image: ${CI_REGISTRY}/leenooks/ci-apt:x86_64
+  image: ${CI_REGISTRY}/leenooks/ci-apt:x86_64-buster
   stage: build
   script:
     - apt-get update
@@ -50,7 +50,7 @@ deploy:x86_64:
     - reprepro
 
 build:armv7l:
-  image: ${CI_REGISTRY}/leenooks/ci-apt:armv7l
+  image: ${CI_REGISTRY}/leenooks/ci-apt:armv7l-buster
   stage: build
   script:
     - apt-get update