diff --git a/.github/actions/build/action.yml b/.github/actions/build/action.yml
index 9adf5e3..0790503 100644
--- a/.github/actions/build/action.yml
+++ b/.github/actions/build/action.yml
@@ -6,6 +6,10 @@ inputs:
     description : 'version tag'
     required    : false
     default     : ''
+  prefix:
+    description : 'filename prefix'
+    required    : false
+    default     : ''
 
 
 outputs:
@@ -24,7 +28,7 @@ runs:
     run: |
       VERS=${{ inputs.tag }}
       echo "::set-output name=version::${VERS:1}"
-      echo "::set-output name=filename::SMO_Online${{ (inputs.tag != '' && format('_{0}', inputs.tag)) || '' }}"
+      echo "::set-output name=filename::${{ inputs.prefix }}SMO_Online${{ (inputs.tag != '' && format('_{0}', inputs.tag)) || '' }}"
   -
     name : Set up Docker Buildx
     uses : docker/setup-buildx-action@v2
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 175a8f7..893e378 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,11 +5,13 @@ on:
   push:
     branches:
     - '**'
+    - '!dev'
     tags:
     - '**'
     - '!v[0-9]+.[0-9]+.[0-9]+'
     - '!v[0-9]+.[0-9]+.[0-9]+\+*'
     - '!v[0-9]+.[0-9]+.[0-9]+-*'
+    - '!latest-dev'
   pull_request:
     branches:
     - '**'
diff --git a/.github/workflows/dev-release.yml b/.github/workflows/dev-release.yml
new file mode 100644
index 0000000..386dcb7
--- /dev/null
+++ b/.github/workflows/dev-release.yml
@@ -0,0 +1,62 @@
+name: Dev Release
+
+
+on:
+  push:
+    branches:
+    - 'dev'
+
+
+env:
+  TAG : 'latest-dev'
+
+
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: true
+
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    outputs:
+      filename: ${{ steps.build.outputs.filename }}
+    steps:
+    -
+      name : Checkout
+      uses : actions/checkout@v3
+    -
+      name  : Environment
+      id    : env
+      shell : bash
+      run: |
+        echo "::set-output name=prefix::$(date +'%Y%m%d_%H%M%S_' --utc)"
+    -
+      name : Build artifacts
+      id   : build
+      uses : ./.github/actions/build
+      with:
+        prefix : ${{ steps.env.outputs.prefix }}
+
+  attach:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+    -
+      name : Checkout
+      uses : actions/checkout@v3
+    -
+      name  : Get release info
+      id    : release
+      shell : bash
+      run: |
+        url=`curl -sS --fail ${{ github.api_url }}/repos/${{ github.repository }}/releases/tags/${{ env.TAG }} | jq .upload_url -r`
+        echo "::set-output name=upload_url::$url"
+    -
+      name : Attach build artifacts to release
+      uses : ./.github/actions/attach
+      with:
+        filename     : ${{ needs.build.outputs.filename }}
+        upload_url   : ${{ steps.release.outputs.upload_url }}
+        GITHUB_TOKEN : ${{ secrets.GITHUB_TOKEN }}