diff --git a/build.sbt b/build.sbt
index f57b946..572f3fe 100644
--- a/build.sbt
+++ b/build.sbt
@@ -5,8 +5,8 @@
 val Name = "gitbucket"
 val GitBucketVersion = "4.32.0"
 val ScalatraVersion = "2.7.0-RC1"
-val JettyVersion = "9.4.22.v20191022"
-val JgitVersion = "5.5.1.201910021850-r"
+val JettyVersion = "9.4.25.v20191220"
+val JgitVersion = "5.6.0.201912101111-r"
 
 lazy val root = (project in file("."))
   .enablePlugins(SbtTwirl, ScalatraPlugin)
@@ -44,16 +44,16 @@
   "org.apache.commons"              % "commons-email"                % "1.5",
   "org.apache.httpcomponents"       % "httpclient"                   % "4.5.10",
   "org.apache.sshd"                 % "apache-sshd"                  % "2.1.0" exclude ("org.slf4j", "slf4j-jdk14") exclude ("org.apache.sshd", "sshd-mina") exclude ("org.apache.sshd", "sshd-netty"),
-  "org.apache.tika"                 % "tika-core"                    % "1.22",
+  "org.apache.tika"                 % "tika-core"                    % "1.23",
   "com.github.takezoe"              %% "blocking-slick-32"           % "0.0.12",
   "com.novell.ldap"                 % "jldap"                        % "2009-10-07",
   "com.h2database"                  % "h2"                           % "1.4.199",
-  "org.mariadb.jdbc"                % "mariadb-java-client"          % "2.5.1",
+  "org.mariadb.jdbc"                % "mariadb-java-client"          % "2.5.2",
   "org.postgresql"                  % "postgresql"                   % "42.2.6",
   "ch.qos.logback"                  % "logback-classic"              % "1.2.3",
   "com.zaxxer"                      % "HikariCP"                     % "3.4.1",
   "com.typesafe"                    % "config"                       % "1.4.0",
-  "com.typesafe.akka"               %% "akka-actor"                  % "2.5.26",
+  "com.typesafe.akka"               %% "akka-actor"                  % "2.5.27",
   "fr.brouillard.oss.security.xhub" % "xhub4j-core"                  % "1.1.0",
   "com.github.bkromhout"            % "java-diff-utils"              % "2.1.1",
   "org.cache2k"                     % "cache2k-all"                  % "1.2.4.Final",
@@ -65,10 +65,10 @@
   "javax.servlet"                   % "javax.servlet-api"            % "3.1.0" % "provided",
   "junit"                           % "junit"                        % "4.12" % "test",
   "org.scalatra"                    %% "scalatra-scalatest"          % ScalatraVersion % "test",
-  "org.mockito"                     % "mockito-core"                 % "3.1.0" % "test",
-  "com.dimafeng"                    %% "testcontainers-scala"        % "0.33.0" % "test",
-  "org.testcontainers"              % "mysql"                        % "1.12.2" % "test",
-  "org.testcontainers"              % "postgresql"                   % "1.12.2" % "test",
+  "org.mockito"                     % "mockito-core"                 % "3.2.4" % "test",
+  "com.dimafeng"                    %% "testcontainers-scala"        % "0.34.2" % "test",
+  "org.testcontainers"              % "mysql"                        % "1.12.4" % "test",
+  "org.testcontainers"              % "postgresql"                   % "1.12.4" % "test",
   "net.i2p.crypto"                  % "eddsa"                        % "0.3.0",
   "is.tagomor.woothee"              % "woothee-java"                 % "1.10.1",
   "org.ec4j.core"                   % "ec4j-core"                    % "0.0.3"
diff --git a/project/build.properties b/project/build.properties
index 6adcdc7..6624da7 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.3.3
+sbt.version=1.3.5
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 35c6b70..79471ba 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,10 +1,10 @@
 scalacOptions ++= Seq("-unchecked", "-deprecation", "-feature")
 
 addSbtPlugin("com.geirsson"     % "sbt-scalafmt"         % "1.5.1")
-addSbtPlugin("com.typesafe.sbt" % "sbt-twirl"            % "1.4.2")
+addSbtPlugin("com.typesafe.sbt" % "sbt-twirl"            % "1.5.0")
 addSbtPlugin("com.eed3si9n"     % "sbt-assembly"         % "0.14.10")
 addSbtPlugin("org.scalatra.sbt" % "sbt-scalatra"         % "1.0.3")
 addSbtPlugin("com.jsuereth"     % "sbt-pgp"              % "1.1.2")
 addSbtPlugin("com.typesafe.sbt" % "sbt-license-report"   % "1.2.0")
 addSbtPlugin("net.virtual-void" % "sbt-dependency-graph" % "0.9.2")
-addSbtPlugin("org.scoverage"    % "sbt-scoverage"        % "1.6.0")
+addSbtPlugin("org.scoverage"    % "sbt-scoverage"        % "1.6.1")