diff --git a/changelog.html b/changelog.html
index caacd7b27d..ed7279ff70 100644
--- a/changelog.html
+++ b/changelog.html
@@ -61,6 +61,9 @@ Upcoming changes</a>
   <li class=bug>
     Bogus “Build Record Root Directory” inadequately diagnosed.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-16457">issue 16457</a>)
+  <li class=bug>
+    Plugin icons in the sidebar were not being properly cached.
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-16530">issue 16530</a>)
   <li class=bug>
     API typo <code>DependecyDeclarer</code> corrected.
   <li class=bug>
diff --git a/core/src/main/resources/lib/layout/task.jelly b/core/src/main/resources/lib/layout/task.jelly
index 0781b0764d..b5839985dc 100644
--- a/core/src/main/resources/lib/layout/task.jelly
+++ b/core/src/main/resources/lib/layout/task.jelly
@@ -79,7 +79,7 @@ THE SOFTWARE.
       <j:when test="${enabled==false}">
         <div class="task disabled">
           <span>
-            <img width="24" height="24" style="margin: 2px;" alt="" src="${rootURL}${icon.startsWith('images/') ? h.resourcePath : ''}/${icon}"/>
+            <img width="24" height="24" style="margin: 2px;" alt="" src="${rootURL}${icon.startsWith('images/') || icon.startsWith('plugin/') ? h.resourcePath : ''}/${icon}"/>
           </span>
           <st:nbsp />
 
@@ -97,7 +97,7 @@ THE SOFTWARE.
       </j:when>
       <j:otherwise>
         <div class="task">
-          <j:set var="icon" value="${rootURL}${icon.startsWith('images/') ? h.resourcePath : ''}/${icon}"/>
+          <j:set var="icon" value="${rootURL}${icon.startsWith('images/') || icon.startsWith('plugin/') ? h.resourcePath : ''}/${icon}"/>
           ${taskTags!=null and attrs.contextMenu!='false' ? taskTags.add(href,icon,title) : null}
 
           <a href="${href}" onclick="${attrs.onclick}">
diff --git a/war/pom.xml b/war/pom.xml
index c56daf874f..b092879dcc 100644
--- a/war/pom.xml
+++ b/war/pom.xml
@@ -296,7 +296,7 @@ THE SOFTWARE.
                 <artifactItem>
                   <groupId>org.jenkins-ci.plugins</groupId>
                   <artifactId>translation</artifactId>
-                  <version>1.8</version>
+                  <version>1.10</version>
                   <type>hpi</type>
                 </artifactItem>
                 <artifactItem>