diff --git a/helm-chart/.gitlab-ci.yml b/helm-chart/.gitlab-ci.yml
index 346f9250..5a5a2f73 100644
--- a/helm-chart/.gitlab-ci.yml
+++ b/helm-chart/.gitlab-ci.yml
@@ -9,13 +9,10 @@ build-adapter-cm-generator:
   rules:
     - changes:
         - helm-chart/adapter-cm-generator/**
-  variables:
-    BUILD_CONTEXT: helm-chart/adapter-cm-generator
-    BUILD_DESTINATION: reg.mikumikumi.xyz/maibot/adapter-cm-generator
   script:
     - export BUILD_CONTEXT=helm-chart/adapter-cm-generator
     - export TMP_DST=reg.mikumikumi.xyz/maibot/adapter-cm-generator
-    - export CHART_VERSION=$(cat helm-chart/Chart.yaml | grep version | cut -d' ' -f2)
+    - export CHART_VERSION=$(cat helm-chart/Chart.yaml | grep '^version:' | cut -d' ' -f2)
     - export BUILD_ARGS="--destination ${TMP_DST}:${CHART_VERSION} --destination ${TMP_DST}:latest"
     - build
 
@@ -30,7 +27,7 @@ package-helm-chart:
         - helm-chart/Chart.yaml
         - helm-chart/values.yaml
   script:
-    - export CHART_VERSION=$(cat helm-chart/Chart.yaml | grep version | cut -d' ' -f2)
+    - export CHART_VERSION=$(cat helm-chart/Chart.yaml | grep '^version:' | cut -d' ' -f2)
     - helm registry login reg.mikumikumi.xyz --username ${CI_REGISTRY_USER} --password ${CI_REGISTRY_PASSWORD}
     - helm package helm-chart
     - helm push maibot-${CHART_VERSION}.tgz oci://reg.mikumikumi.xyz/maibot