diff --git a/src/main/java/org/codelibs/fess/helper/PluginHelper.java b/src/main/java/org/codelibs/fess/helper/PluginHelper.java
index 303432826..e106034c7 100644
--- a/src/main/java/org/codelibs/fess/helper/PluginHelper.java
+++ b/src/main/java/org/codelibs/fess/helper/PluginHelper.java
@@ -59,7 +59,7 @@ public class PluginHelper {
     private static final Logger logger = LoggerFactory.getLogger(PluginHelper.class);
 
     protected LoadingCache<ArtifactType, Artifact[]> availableArtifacts = CacheBuilder.newBuilder().maximumSize(10)
-            .expireAfterWrite(1, TimeUnit.MINUTES).build(new CacheLoader<ArtifactType, Artifact[]>() {
+            .expireAfterWrite(5, TimeUnit.MINUTES).build(new CacheLoader<ArtifactType, Artifact[]>() {
                 public Artifact[] load(ArtifactType key) {
                     final List<Artifact> list = new ArrayList<>();
                     for (final String url : getRepositories()) {
@@ -98,16 +98,20 @@ public class PluginHelper {
                 final NodeList nodeList = document.getElementsByTagName("version");
                 for (int i = 0; i < nodeList.getLength(); i++) {
                     final String version = nodeList.item(i).getTextContent();
-                    if (version.endsWith("SNAPSHOT")) {
-                        final String snapshotVersion = getSnapshotActualVersion(builder, pluginUrl, version);
-                        if (StringUtil.isNotBlank(snapshotVersion)) {
-                            String actualVersion = version.replace("SNAPSHOT", snapshotVersion);
-                            list.add(new Artifact(name, actualVersion, pluginUrl + version + "/" + name + "-" + actualVersion + ".jar"));
-                        } else if (logger.isDebugEnabled()) {
-                            logger.debug("Snapshot name is not found: " + name + "/" + version);
+                    if (isTargetPluginVersion(version)) {
+                        if (version.endsWith("SNAPSHOT")) {
+                            final String snapshotVersion = getSnapshotActualVersion(builder, pluginUrl, version);
+                            if (StringUtil.isNotBlank(snapshotVersion)) {
+                                String actualVersion = version.replace("SNAPSHOT", snapshotVersion);
+                                list.add(new Artifact(name, actualVersion, pluginUrl + version + "/" + name + "-" + actualVersion + ".jar"));
+                            } else if (logger.isDebugEnabled()) {
+                                logger.debug("Snapshot name is not found: " + name + "/" + version);
+                            }
+                        } else {
+                            list.add(new Artifact(name, version, pluginUrl + version + "/" + name + "-" + version + ".jar"));
                         }
-                    } else {
-                        list.add(new Artifact(name, version, pluginUrl + version + "/" + name + "-" + version + ".jar"));
+                    } else if (logger.isDebugEnabled()) {
+                        logger.debug(name + ":" + version + " is ignored.");
                     }
                 }
             } catch (final Exception e) {
@@ -117,6 +121,10 @@ public class PluginHelper {
         return list;
     }
 
+    protected boolean isTargetPluginVersion(final String version) {
+        return ComponentUtil.getFessConfig().isTargetPluginVersion(version);
+    }
+
     protected String getSnapshotActualVersion(final DocumentBuilder builder, final String pluginUrl, final String version)
             throws SAXException, IOException {
         String timestamp = null;
@@ -144,6 +152,9 @@ public class PluginHelper {
     }
 
     protected String getRepositoryContent(final String url) {
+        if (logger.isDebugEnabled()) {
+            logger.debug("Loading " + url);
+        }
         try (final CurlResponse response = Curl.get(url).execute()) {
             return response.getContentAsString();
         } catch (final IOException e) {
@@ -157,6 +168,7 @@ public class PluginHelper {
         for (final File file : jarFiles) {
             list.add(getArtifactFromFileName(artifactType, file.getName()));
         }
+        list.sort((a, b) -> a.getName().compareTo(b.getName()));
         return list.toArray(new Artifact[list.size()]);
     }
 
diff --git a/src/main/java/org/codelibs/fess/mylasta/action/FessLabels.java b/src/main/java/org/codelibs/fess/mylasta/action/FessLabels.java
index c62110c19..adec89c36 100644
--- a/src/main/java/org/codelibs/fess/mylasta/action/FessLabels.java
+++ b/src/main/java/org/codelibs/fess/mylasta/action/FessLabels.java
@@ -2978,7 +2978,7 @@ public class FessLabels extends UserMessages {
 
     /** The key of the message: Install */
     public static final String LABELS_crud_button_install = "{labels.crud_button_install}";
-    
+
     /**
      * Assert the property is not null.
      * @param property The value of the property. (NotNull)
diff --git a/src/main/java/org/codelibs/fess/mylasta/direction/FessConfig.java b/src/main/java/org/codelibs/fess/mylasta/direction/FessConfig.java
index 81657a1cc..e479e3de1 100644
--- a/src/main/java/org/codelibs/fess/mylasta/direction/FessConfig.java
+++ b/src/main/java/org/codelibs/fess/mylasta/direction/FessConfig.java
@@ -1433,6 +1433,9 @@ public interface FessConfig extends FessEnv, org.codelibs.fess.mylasta.direction
     /** The key of the configuration. e.g. https://repo.maven.apache.org/maven2/org/codelibs/fess/,https://oss.sonatype.org/content/repositories/snapshots/org/codelibs/fess/ */
     String PLUGIN_REPOSITORIES = "plugin.repositories";
 
+    /** The key of the configuration. e.g.  */
+    String PLUGIN_VERSION_FILTER = "plugin.version.filter";
+
     /**
      * Get the value of property as {@link String}.
      * @param propertyKey The key of the property. (NotNull)
@@ -5942,6 +5945,21 @@ public interface FessConfig extends FessEnv, org.codelibs.fess.mylasta.direction
      */
     String getPluginRepositories();
 
+    /**
+     * Get the value for the key 'plugin.version.filter'. <br>
+     * The value is, e.g.  <br>
+     * @return The value of found property. (NotNull: if not found, exception but basically no way)
+     */
+    String getPluginVersionFilter();
+
+    /**
+     * Get the value for the key 'plugin.version.filter' as {@link Integer}. <br>
+     * The value is, e.g.  <br>
+     * @return The value of found property. (NotNull: if not found, exception but basically no way)
+     * @throws NumberFormatException When the property is not integer.
+     */
+    Integer getPluginVersionFilterAsInteger();
+
     /**
      * The simple implementation for configuration.
      * @author FreeGen
@@ -8315,6 +8333,14 @@ public interface FessConfig extends FessEnv, org.codelibs.fess.mylasta.direction
             return get(FessConfig.PLUGIN_REPOSITORIES);
         }
 
+        public String getPluginVersionFilter() {
+            return get(FessConfig.PLUGIN_VERSION_FILTER);
+        }
+
+        public Integer getPluginVersionFilterAsInteger() {
+            return getAsInteger(FessConfig.PLUGIN_VERSION_FILTER);
+        }
+
         @Override
         protected java.util.Map<String, String> prepareGeneratedDefaultMap() {
             java.util.Map<String, String> defaultMap = super.prepareGeneratedDefaultMap();
@@ -8752,6 +8778,7 @@ public interface FessConfig extends FessEnv, org.codelibs.fess.mylasta.direction
             defaultMap
                     .put(FessConfig.PLUGIN_REPOSITORIES,
                             "https://repo.maven.apache.org/maven2/org/codelibs/fess/,https://oss.sonatype.org/content/repositories/snapshots/org/codelibs/fess/");
+            defaultMap.put(FessConfig.PLUGIN_VERSION_FILTER, "");
             defaultMap.put(FessConfig.lasta_di_SMART_DEPLOY_MODE, "hot");
             defaultMap.put(FessConfig.DEVELOPMENT_HERE, "true");
             defaultMap.put(FessConfig.ENVIRONMENT_TITLE, "Local Development");
diff --git a/src/main/java/org/codelibs/fess/mylasta/direction/FessProp.java b/src/main/java/org/codelibs/fess/mylasta/direction/FessProp.java
index eb8452cb5..e75d55da3 100644
--- a/src/main/java/org/codelibs/fess/mylasta/direction/FessProp.java
+++ b/src/main/java/org/codelibs/fess/mylasta/direction/FessProp.java
@@ -2010,4 +2010,16 @@ public interface FessProp {
         }
         return Runtime.getRuntime().availableProcessors();
     }
+
+    String getPluginVersionFilter();
+
+    default boolean isTargetPluginVersion(final String version) {
+        final Pattern pattern;
+        if (StringUtil.isBlank(getPluginVersionFilter())) {
+            pattern = Pattern.compile("^" + Pattern.quote(ComponentUtil.getSystemHelper().getProductVersion()) + ".*");
+        } else {
+            pattern = Pattern.compile(getPluginVersionFilter());
+        }
+        return pattern.matcher(version).matches();
+    }
 }
diff --git a/src/main/resources/fess_config.properties b/src/main/resources/fess_config.properties
index 0248e1890..bd4ab05ed 100644
--- a/src/main/resources/fess_config.properties
+++ b/src/main/resources/fess_config.properties
@@ -706,3 +706,4 @@ ldap.attr.homeDirectory=homeDirectory
 #                                                  Scheduler
 #                                                     ------
 plugin.repositories=https://repo.maven.apache.org/maven2/org/codelibs/fess/,https://oss.sonatype.org/content/repositories/snapshots/org/codelibs/fess/
+plugin.version.filter=
diff --git a/src/test/java/org/codelibs/fess/helper/PluginHelperTest.java b/src/test/java/org/codelibs/fess/helper/PluginHelperTest.java
index 15eeed478..a5f80ece6 100644
--- a/src/test/java/org/codelibs/fess/helper/PluginHelperTest.java
+++ b/src/test/java/org/codelibs/fess/helper/PluginHelperTest.java
@@ -56,6 +56,10 @@ public class PluginHelperTest extends UnitFessTestCase {
                 }
                 throw new FessSystemException("unknown");
             }
+
+            protected boolean isTargetPluginVersion(final String version) {
+                return true;
+            }
         };
     }