diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 3f4e913..fdbc55c 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -17,12 +17,12 @@ jobs:
       fail-fast: false
       matrix:
         language:
-          - "crystal"
+          # - "crystal"
           - "go"
-          - "nodejs"
-          - "php"
-          - "python"
-          - "ruby"
+          # - "nodejs"
+          # - "php"
+          # - "python"
+          # - "ruby"
     env:
       ISHOCON_APP_LANG: ${{ matrix.language }}
       UNAME: ${{ secrets.DOCKER_HUB_USERNAME }}
diff --git a/.github/workflows/build_and_push_images.yml b/.github/workflows/build_and_push_images.yml
index fc63140..5dba57c 100644
--- a/.github/workflows/build_and_push_images.yml
+++ b/.github/workflows/build_and_push_images.yml
@@ -2,17 +2,20 @@ name: Build and push images
 
 on:
     workflow_dispatch:
-    push:
-      branches:
-        - master
+    workflow_run:
+      workflows: [ Benchmark ]
+      branches: [ '**' ]
+      types:
+        - completed
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.sha }}
   cancel-in-progress: true
 
 jobs:
-  build-and-push-base-and-bench-images:
+  build-base-and-bench-images:
     name: Build and push base and bench images
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
     runs-on: ubuntu-latest
     timeout-minutes: 60
     env:
@@ -69,7 +72,7 @@ jobs:
     name: Build app images
     runs-on: ubuntu-latest
     timeout-minutes: 60
-    needs: build-and-push-base-and-bench-images
+    needs: build-base-and-bench-images
     strategy:
       fail-fast: false
       matrix: