diff --git a/.github/workflows/pr-validation.yml b/.github/workflows/pr-validation.yml
index cf82c05a1..8e85c0101 100644
--- a/.github/workflows/pr-validation.yml
+++ b/.github/workflows/pr-validation.yml
@@ -14,7 +14,12 @@
 # specific language governing permissions and limitations under the License.
 #
 name: Java CI - Code tests
-on: [pull_request]
+on:
+  pull_request:
+permissions:
+  contents: read
+  actions: read
+  checks: write
 env:
   MAVEN_OPTS: >-
     -Dmaven.artifact.threads=4 
@@ -34,18 +39,13 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: 'Set up JDK 17'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           java-version: '17'
           distribution: 'temurin'
-      - name: 'Cache Maven packages'
-        uses: actions/cache@v3
-        with:
-          path: ~/.m2
-          key: 'cache'
-          restore-keys: 'cache'
+          cache: 'maven'
       - name: 'Build and test with Maven'
         run: mvn verify
       - name: 'Report test results'
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 99e338503..000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-language: java
-sudo: false
-
-cache:
-  directories:
-  - "$HOME/.m2"
-
-jobs:
-  include:
-  - stage: test
-    jdk: openjdk11
-    script: mvn verify -Pproduction -Dmaven.test.redirectTestOutputToFile=true -Dsurefire.rerunFailingTestsCount=2 
-
-branches:
-  only:
-  - master