diff --git a/.jenkins/Jenkinsfile.deploy b/.jenkins/Jenkinsfile.deploy
index 961e2fd..6b68ec2 100644
--- a/.jenkins/Jenkinsfile.deploy
+++ b/.jenkins/Jenkinsfile.deploy
@@ -1,7 +1,7 @@
 pipeline {
     agent {
         docker {
-            image "registry.firstdark.dev/java17:latest"
+            image "registry.firstdark.dev/java21:latest"
             alwaysPull true
         }
     }
diff --git a/.jenkins/Jenkinsfile.snapshot b/.jenkins/Jenkinsfile.snapshot
index e2919ac..83c683d 100644
--- a/.jenkins/Jenkinsfile.snapshot
+++ b/.jenkins/Jenkinsfile.snapshot
@@ -4,7 +4,7 @@ def projectIcon = "https://cdn.modrinth.com/data/Nn8Wasaq/a172c634683a11a2e9ae59
 pipeline {
     agent {
         docker {
-            image "registry.firstdark.dev/java17:latest"
+            image "registry.firstdark.dev/java21:latest"
             alwaysPull true
         }
     }