diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4b8f05a..f259dab 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -92,9 +92,9 @@ gitea-arm64-trigger:
 
 .test-install: &test-install
   stage: test
-  image: docker:19
+  image: docker:$DOCKER_VERSION
   services:
-    - docker:19-dind
+    - docker:$DOCKER_VERSION-dind
   variables:
     DOCKER_TLS_CERTDIR: ""
   script:
@@ -113,9 +113,9 @@ gitea-arm64-trigger:
 
 .test-update: &test-update
   stage: test
-  image: docker:19
+  image: docker:$DOCKER_VERSION
   services:
-    - docker:19-dind
+    - docker:$DOCKER_VERSION-dind
   variables:
     DOCKER_TLS_CERTDIR: ""
   script: