diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index ed232d1..189abc6 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -1,16 +1,22 @@
 name: Publish kotlinx-serialization-smile-core
 
 on:
-  push:
-    branches: [ "main" ]
-  pull_request:
-    branches: [ "main" ]
+  release:
+    types: [published]
 
 jobs:
   build:
 
     runs-on: ubuntu-latest
 
+    env:
+      ORG_GRADLE_PROJECT_mavenCentralUsername: ${{ secrets.ORG_GRADLE_PROJECT_MAVEN_CENTRAL_USERNAME }}
+      ORG_GRADLE_PROJECT_mavenCentralPassword: ${{ secrets.ORG_GRADLE_PROJECT_MAVEN_CENTRAL_PASSWORD }}
+      ORG_GRADLE_PROJECT_signingInMemoryKey: ${{ secrets.ORG_GRADLE_PROJECT_SIGNING_IN_MEMORY_KEY }}
+      ORG_GRADLE_PROJECT_signingInMemoryKeyId: ${{ secrets.ORG_GRADLE_PROJECT_SIGNING_IN_MEMORY_KEY_ID }}
+      ORG_GRADLE_PROJECT_signingInMemoryKeyPassword: ${{ secrets.ORG_GRADLE_PROJECT_SIGNING_IN_MEMORY_KEY_PASSWORD }}
+      TAG: ${{ github.event.release.tag_name }}
+
     steps:
       - uses: actions/checkout@v4