diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 39d48e9..4e8e45a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -29,8 +29,8 @@ lint-template:
   image:
     name: cytopia/yamllint
     entrypoint: ["/bin/ash", "-c"]
-  script:
-    - yamllint -f colored gitlab-ci-template.yml
+  script: |
+    yamllint -f colored -d '{extends: default, rules: {line-length: {level: warning}}}' gitlab-ci-template.yml
 
 test-python:
   stage: test
diff --git a/VERSION b/VERSION
index ac7dffa..9bba175 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.8.16
+0.8.17
diff --git a/gitlab-ci-template.yml b/gitlab-ci-template.yml
index 06f9360..f26aa4a 100644
--- a/gitlab-ci-template.yml
+++ b/gitlab-ci-template.yml
@@ -59,9 +59,10 @@ stages:
   image:
     name: cytopia/yamllint
     entrypoint: ["/bin/ash", "-c"]
-  script:
-    - echo "$FILENAME"
-    - yamllint -f colored "$FILENAME"
+  # cf. https://yamllint.readthedocs.io/en/stable/configuration.html
+  script: |
+    echo "$FILENAME"
+    yamllint -f colored -d '{extends: default, rules: {line-length: {level: warning}}}' "$FILENAME"
 
 .python:
   dependencies: []  # optional