diff --git a/core/pom.xml b/core/pom.xml
index 0402553742ec..269f4fc8cafc 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -40,7 +40,7 @@ THE SOFTWARE.
   <properties>
     <staplerFork>true</staplerFork>
     <stapler.version>1.258</stapler.version>
-    <spring.version>2.5.6.SEC03</spring.version>
+    <spring.version>5.3.38</spring.version>
     <groovy.version>2.4.12</groovy.version>
   </properties>
 
@@ -808,7 +808,7 @@ THE SOFTWARE.
             <manifest>
               <mainClass>hudson.Main</mainClass>
               <addClasspath>true</addClasspath>
-              <classpathPrefix />
+              <classpathPrefix/>
             </manifest>
           </archive>
         </configuration>