diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 00000000..88446ac3
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: maven
+    directory: "/"
+    schedule:
+      interval: monthly
+    target-branch: master
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: monthly
diff --git a/Jenkinsfile b/Jenkinsfile
index 8d38b971..252ca7b0 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,4 +1,5 @@
 buildPlugin(useContainerAgent: true, configurations: [
   [platform: 'linux', jdk: 17],
+  [platform: 'linux', jdk: 21],
   [platform: 'windows', jdk: 11],
 ])
diff --git a/pom.xml b/pom.xml
index bd86c01d..8f02eb9f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@ THE SOFTWARE.
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>4.66</version>
+    <version>4.73</version>
     <relativePath />
   </parent>