diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 546cd4d..7361082 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -5,9 +5,9 @@ name: CI
 
 on:
   push:
-    branches: [master]
+    branches: [master, main]
   pull_request:
-    branches: [master]
+    branches: [master, main]
   schedule:
     - cron: "30 4 * * 5" # catch SNAPSHOT breaking changes
 
@@ -16,17 +16,17 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        jdk: [8, 11, 17, 19, 20-ea]
+        jdk: [8, 11, 17, 21]
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up JDK
         uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.jdk }}
           distribution: 'zulu'
-      - uses: actions/cache@v1
+      - uses: actions/cache@v3
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}