diff --git a/core/src/main/java/jenkins/monitor/JavaVersionRecommendationAdminMonitor.java b/core/src/main/java/jenkins/monitor/JavaVersionRecommendationAdminMonitor.java
index 830f36c47297..86093a634617 100644
--- a/core/src/main/java/jenkins/monitor/JavaVersionRecommendationAdminMonitor.java
+++ b/core/src/main/java/jenkins/monitor/JavaVersionRecommendationAdminMonitor.java
@@ -115,7 +115,7 @@ private static String getId() {
 
     @Override
     public boolean isActivated() {
-        return !disabled && getDeprecationPeriod().toTotalMonths() < 18;
+        return !disabled && getDeprecationPeriod().toTotalMonths() < 12;
     }
 
     @Override
@@ -156,7 +156,7 @@ private static Period getDeprecationPeriod() {
 
     @NonNull
     private static Severity getSeverity() {
-        return getDeprecationPeriod().toTotalMonths() < 9 ? Severity.DANGER : Severity.WARNING;
+        return getDeprecationPeriod().toTotalMonths() < 3 ? Severity.DANGER : Severity.WARNING;
     }
 
     /**
diff --git a/pom.xml b/pom.xml
index a5fdb9bc0071..6dd1632a2ea7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -98,7 +98,7 @@ THE SOFTWARE.
     <bridge-method-injector.version>1.29</bridge-method-injector.version>
     <spotless.check.skip>false</spotless.check.skip>
     <!-- Make sure to keep the jetty-maven-plugin version in war/pom.xml in sync with the Jetty release in Winstone: -->
-    <winstone.version>6.14</winstone.version>
+    <winstone.version>6.16</winstone.version>
   </properties>
 
   <!--
diff --git a/war/pom.xml b/war/pom.xml
index ad3a5007eee1..a4ab93e98b2f 100644
--- a/war/pom.xml
+++ b/war/pom.xml
@@ -636,7 +636,7 @@ THE SOFTWARE.
       <plugin>
         <groupId>org.eclipse.jetty</groupId>
         <artifactId>jetty-maven-plugin</artifactId>
-        <version>10.0.17</version>
+        <version>10.0.18</version>
         <configuration>
           <!--
             Reload webapp when you hit ENTER. (See JETTY-282 for more)