diff --git a/.github/workflows/maven-build.yml b/.github/workflows/maven-build.yml
index 88dd2b1..59e3413 100644
--- a/.github/workflows/maven-build.yml
+++ b/.github/workflows/maven-build.yml
@@ -1,6 +1,6 @@
 name: Java CI Build with Maven
 
-on: [push]
+on: [pull_request]
 
 jobs:
   build:
@@ -15,7 +15,7 @@ jobs:
           distribution: 'zulu'
           java-version: 17
           cache: 'maven'
-      - uses: s4u/maven-settings-action@v2.8.0
+      - uses: s4u/maven-settings-action@7802f6aec16c9098b4798ad1f1d8ac75198194bd #3.0.0
         with:
           servers: |
             [ {"id": "github-mii", "username": "${{ github.actor }}", "password": "${{ secrets.GITHUB_TOKEN }}"}]
diff --git a/.github/workflows/maven-publish.yml b/.github/workflows/maven-publish.yml
index 741a2b6..639a40c 100644
--- a/.github/workflows/maven-publish.yml
+++ b/.github/workflows/maven-publish.yml
@@ -21,7 +21,7 @@ jobs:
           distribution: 'zulu'
           java-version: 17
           cache: 'maven'
-      - uses: s4u/maven-settings-action@v2.8.0
+      - uses: s4u/maven-settings-action@7802f6aec16c9098b4798ad1f1d8ac75198194bd #3.0.0
         with:
           servers: |
             [ {"id": "github-mii", "username": "${{ github.actor }}", "password": "${{ secrets.GITHUB_TOKEN }}"}]