diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1d12e01..2a55c69 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,12 +6,11 @@ stages:
 
 build:
   stage: build
+  image: ghcr.io/vojtechmares/container-images/ko-build:sha-4fe26ad8a0623547dfe3e76367450fbf9d6c4148
   variables:
-    IMAGE: $CI_REGISTRY_IMAGE
     TAG: $CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA
+    KO_DOCKER_REPO: $CI_REGISTRY_IMAGE
   before_script:
     - echo $CI_REGISTRY_PASSWORD | docker login -u $CI_REGISTRY_USER --password-stdin $CI_REGISTRY
-    - docker info
   script:
-    - docker buildx create --name yggdrasil --use
-    - docker buildx build --platform linux/amd64,linux/arm64 -t $IMAGE:$TAG --push .
+    - ko build --platform=linux/arm64,linux/amd64 --tags $TAG ./cmd/yggdrasil