diff --git a/build.sbt b/build.sbt
index bc435f9..910b634 100644
--- a/build.sbt
+++ b/build.sbt
@@ -31,38 +31,38 @@
   "org.scalatra"                    %% "scalatra"                     % ScalatraVersion,
   "org.scalatra"                    %% "scalatra-json"                % ScalatraVersion,
   "org.scalatra"                    %% "scalatra-forms"               % ScalatraVersion,
-  "org.json4s"                      %% "json4s-jackson"               % "3.5.1",
-  "commons-io"                      %  "commons-io"                   % "2.5",
+  "org.json4s"                      %% "json4s-jackson"               % "3.5.3",
+  "commons-io"                      %  "commons-io"                   % "2.6",
   "io.github.gitbucket"             %  "solidbase"                    % "1.0.2",
   "io.github.gitbucket"             %  "markedj"                      % "1.0.15",
-  "org.apache.commons"              %  "commons-compress"             % "1.13",
-  "org.apache.commons"              %  "commons-email"                % "1.4",
-  "org.apache.httpcomponents"       %  "httpclient"                   % "4.5.3",
-  "org.apache.sshd"                 %  "apache-sshd"                  % "1.4.0" exclude("org.slf4j","slf4j-jdk14"),
-  "org.apache.tika"                 %  "tika-core"                    % "1.14",
+  "org.apache.commons"              %  "commons-compress"             % "1.15",
+  "org.apache.commons"              %  "commons-email"                % "1.5",
+  "org.apache.httpcomponents"       %  "httpclient"                   % "4.5.4",
+  "org.apache.sshd"                 %  "apache-sshd"                  % "1.6.0" exclude("org.slf4j","slf4j-jdk14"),
+  "org.apache.tika"                 %  "tika-core"                    % "1.17",
   "com.github.takezoe"              %% "blocking-slick-32"            % "0.0.10",
   "com.novell.ldap"                 %  "jldap"                        % "2009-10-07",
-  "com.h2database"                  %  "h2"                           % "1.4.195",
+  "com.h2database"                  %  "h2"                           % "1.4.196",
   "org.mariadb.jdbc"                %  "mariadb-java-client"          % "2.2.1",
-  "org.postgresql"                  %  "postgresql"                   % "42.0.0",
+  "org.postgresql"                  %  "postgresql"                   % "42.1.4",
   "ch.qos.logback"                  %  "logback-classic"              % "1.2.3",
-  "com.zaxxer"                      %  "HikariCP"                     % "2.6.1",
-  "com.typesafe"                    %  "config"                       % "1.3.1",
-  "com.typesafe.akka"               %% "akka-actor"                   % "2.5.0",
+  "com.zaxxer"                      %  "HikariCP"                     % "2.7.4",
+  "com.typesafe"                    %  "config"                       % "1.3.2",
+  "com.typesafe.akka"               %% "akka-actor"                   % "2.5.8",
   "fr.brouillard.oss.security.xhub" %  "xhub4j-core"                  % "1.0.0",
   "com.github.bkromhout"            %  "java-diff-utils"              % "2.1.1",
-  "org.cache2k"                     %  "cache2k-all"                  % "1.0.0.CR1",
-  "com.enragedginger"               %% "akka-quartz-scheduler"        % "1.6.0-akka-2.4.x" exclude("c3p0","c3p0"),
+  "org.cache2k"                     %  "cache2k-all"                  % "1.0.1.Final",
+  "com.enragedginger"               %% "akka-quartz-scheduler"        % "1.6.1-akka-2.5.x" exclude("c3p0","c3p0"),
   "net.coobird"                     %  "thumbnailator"                % "0.4.8",
   "com.github.zafarkhaja"           %  "java-semver"                  % "0.9.0",
   "org.eclipse.jetty"               %  "jetty-webapp"                 % JettyVersion     % "provided",
   "javax.servlet"                   %  "javax.servlet-api"            % "3.1.0"          % "provided",
   "junit"                           %  "junit"                        % "4.12"           % "test",
   "org.scalatra"                    %% "scalatra-scalatest"           % ScalatraVersion  % "test",
-  "org.mockito"                     %  "mockito-core"                 % "2.7.22"         % "test",
-  "com.wix"                         %  "wix-embedded-mysql"           % "2.1.4"          % "test",
-  "ru.yandex.qatools.embed"         %  "postgresql-embedded"          % "2.0"            % "test",
-  "net.i2p.crypto"                  % "eddsa"                         % "0.1.0"
+  "org.mockito"                     %  "mockito-core"                 % "2.13.0"         % "test",
+  "com.wix"                         %  "wix-embedded-mysql"           % "3.0.0"          % "test",
+  "ru.yandex.qatools.embed"         %  "postgresql-embedded"          % "2.6"            % "test",
+  "net.i2p.crypto"                  % "eddsa"                         % "0.2.0"
 )
 
 // Compiler settings
diff --git a/src/main/scala/gitbucket/core/util/JGitUtil.scala b/src/main/scala/gitbucket/core/util/JGitUtil.scala
index e34627e..1f4ed5b 100644
--- a/src/main/scala/gitbucket/core/util/JGitUtil.scala
+++ b/src/main/scala/gitbucket/core/util/JGitUtil.scala
@@ -22,7 +22,7 @@
 import java.util.concurrent.TimeUnit
 import java.util.function.Consumer
 
-import org.cache2k.{Cache2kBuilder, CacheEntry}
+import org.cache2k.Cache2kBuilder
 import org.eclipse.jgit.api.errors.{InvalidRefNameException, JGitInternalException, NoHeadException, RefAlreadyExistsException}
 import org.eclipse.jgit.diff.{DiffEntry, DiffFormatter, RawTextComparator}
 import org.eclipse.jgit.dircache.DirCacheEntry
@@ -189,11 +189,9 @@
     val dir = git.getRepository.getDirectory
     val keyPrefix = dir.getAbsolutePath + "@"
 
-    cache.forEach(new Consumer[CacheEntry[String, Int]] {
-      override def accept(entry: CacheEntry[String, Int]): Unit = {
-        if(entry.getKey.startsWith(keyPrefix)){
-          cache.remove(entry.getKey)
-        }
+    cache.keys.forEach(key => {
+      if (key.startsWith(keyPrefix)) {
+        cache.remove(key)
       }
     })
   }