diff --git a/.github/workflows/scala.yml b/.github/workflows/scala.yml
index 1b7ad9b..987e0ed 100644
--- a/.github/workflows/scala.yml
+++ b/.github/workflows/scala.yml
@@ -1,8 +1,10 @@
 name: Scala CI
 
 on:
-- push
-- pull_request
+  push:
+    branches-ignore:
+    - 'update/**'
+  pull_request:
 
 jobs:
   build:
@@ -44,5 +46,5 @@ jobs:
     - name: Publish to Maven Central Repository
       env:
         GITHUB_PERSONAL_ACCESS_TOKEN: ${{secrets.PERSONAL_ACCESS_TOKEN}}
-      if: ${{ env.GITHUB_PERSONAL_ACCESS_TOKEN != '' }}
+      if: ${{ env.GITHUB_PERSONAL_ACCESS_TOKEN != '' && github.event_name != 'pull_request' }}
       run: sbt ${{matrix.sbt-args}} ++${{matrix.scala}} "set every Seq(sonatypeSessionName := \"${{github.workflow}} ${{github.run_id}} ${{github.run_number}} ${{github.run_attempt}} ${{matrix.scala}}\", publishTo := sonatypePublishToBundle.value)" publishSigned sonatypeBundleRelease