diff --git a/samples/odm/build.gradle b/samples/odm/build.gradle
index dc5e0f43..8c39c555 100644
--- a/samples/odm/build.gradle
+++ b/samples/odm/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id "org.gretty" version "2.3.1"
+    id "org.gretty" version "3.0.7"
     id 'war'
 }
 
diff --git a/samples/plain/build.gradle b/samples/plain/build.gradle
index e167d28c..b88f4126 100644
--- a/samples/plain/build.gradle
+++ b/samples/plain/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id "org.gretty" version "2.3.1"
+    id "org.gretty" version "3.0.7"
     id 'war'
 }