diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 33d073e2..5b04dd7d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,10 +18,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2.3.4
-    - name: Set up JDK 8
+    - name: Set up JDK 11
       uses: actions/setup-java@v1
       with:
-        java-version: 1.8
+        java-version: 11
     - name: Cache local Maven repository
       uses: actions/cache@v2.1.4
       with:
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index ed0c6845..7361ce2f 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -14,10 +14,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2.3.4
-      - name: Set up JDK 8
+      - name: Set up JDK 11
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 11
       - name: Generate coverage with JaCoCo
         env:
           BROWSER: firefox-container
diff --git a/plugin/pom.xml b/plugin/pom.xml
index 3cc8bf25..b151dfe1 100644
--- a/plugin/pom.xml
+++ b/plugin/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.jvnet.hudson.plugins</groupId>
     <artifactId>analysis-pom</artifactId>
-    <version>4.7.0</version>
+    <version>5.0.0</version>
     <relativePath />
   </parent>
 
@@ -22,18 +22,17 @@
     <changelist>-SNAPSHOT</changelist>
     <module.name>${project.groupId}.autograding</module.name>
 
-    <autograding-model.version>1.1.0</autograding-model.version>
+    <autograding-model.version>1.2.0</autograding-model.version>
 
-    <commons.lang.version>3.11</commons.lang.version>
-
-    <font-awesome-api.version>5.15.2-1</font-awesome-api.version>
-    <jquery3-api.version>3.5.1-2</jquery3-api.version>
-    <bootstrap4-api.version>4.6.0-1</bootstrap4-api.version>
-    <data-tables-api.version>1.10.23-2</data-tables-api.version>
-    <echarts-api.version>4.9.0-3</echarts-api.version>
+    <plugin-util-api.version>2.0.0</plugin-util-api.version>
+    <data-tables-api.version>1.10.23-3</data-tables-api.version>
+    <echarts-api.version>4.9.0-4</echarts-api.version>
     <echarts-build-trends.version>2.0.0</echarts-build-trends.version>
-    <plugin-util-api.version>1.7.0</plugin-util-api.version>
-    <codingstyle.library.version>1.6.0</codingstyle.library.version>
+
+    <font-awesome-api.version>5.15.2-2</font-awesome-api.version>
+    <jquery3-api.version>3.5.1-3</jquery3-api.version>
+    <bootstrap4-api.version>4.6.0-2</bootstrap4-api.version>
+    <popper-api.version>1.16.1-2</popper-api.version>
 
     <code-coverage-api-plugin.version>1.2.1</code-coverage-api-plugin.version>
     <pitmutation-plugin.version>1.0-18</pitmutation-plugin.version>
@@ -42,8 +41,9 @@
 
     <pipeline-stage-step.version>2.5</pipeline-stage-step.version>
     <workflow-support.version>3.3</workflow-support.version>
-    <jackson2-api.version>2.11.1</jackson2-api.version>
+    <jackson2-api.version>2.12.1</jackson2-api.version>
     <checks-api.version>1.5.0</checks-api.version>
+
   </properties>
 
   <licenses>
@@ -63,18 +63,6 @@
 
   <dependencyManagement>
     <dependencies>
-      <dependency>
-        <groupId>edu.hm.hafner</groupId>
-        <artifactId>codingstyle</artifactId>
-        <version>${codingstyle.library.version}</version>
-        <exclusions>
-          <!-- Remove once on at least 2.249 baseline -->
-          <exclusion>
-            <groupId>com.github.spotbugs</groupId>
-            <artifactId>spotbugs-annotations</artifactId>
-          </exclusion>
-        </exclusions>
-      </dependency>
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>apache-httpcomponents-client-4-api</artifactId>
@@ -82,9 +70,14 @@
         <scope>compile</scope>
       </dependency>
       <dependency>
-        <groupId>commons-io</groupId>
-        <artifactId>commons-io</artifactId>
-        <version>2.8.0</version>
+        <groupId>org.json</groupId>
+        <artifactId>json</artifactId>
+        <version>20201115</version>
+      </dependency>
+      <dependency>
+        <groupId>io.jenkins.plugins</groupId>
+        <artifactId>popper-api</artifactId>
+        <version>${popper-api.version}</version>
       </dependency>
     </dependencies>
   </dependencyManagement>
@@ -119,12 +112,6 @@
       <artifactId>plugin-util-api</artifactId>
       <version>${plugin-util-api.version}</version>
     </dependency>
-    <dependency>
-      <groupId>org.apache.commons</groupId>
-      <artifactId>commons-lang3</artifactId>
-      <version>${commons.lang.version}</version>
-    </dependency>
-
     <dependency>
       <groupId>io.jenkins.plugins</groupId>
       <artifactId>checks-api</artifactId>
@@ -157,6 +144,10 @@
           <artifactId>guava</artifactId>
           <groupId>com.google.guava</groupId>
         </exclusion>
+        <exclusion>
+          <groupId>commons-beanutils</groupId>
+          <artifactId>commons-beanutils</artifactId>
+        </exclusion>
       </exclusions>
     </dependency>
     <dependency>
@@ -214,6 +205,10 @@
           <groupId>com.github.spotbugs</groupId>
           <artifactId>spotbugs-annotations</artifactId>
         </exclusion>
+        <exclusion>
+          <groupId>commons-io</groupId>
+          <artifactId>commons-io</artifactId>
+        </exclusion>
       </exclusions>
     </dependency>
 
diff --git a/plugin/src/test/java/io/jenkins/plugins/grading/AggregatedScoreXmlStreamTest.java b/plugin/src/test/java/io/jenkins/plugins/grading/AggregatedScoreXmlStreamTest.java
index d92295f4..348cabb8 100644
--- a/plugin/src/test/java/io/jenkins/plugins/grading/AggregatedScoreXmlStreamTest.java
+++ b/plugin/src/test/java/io/jenkins/plugins/grading/AggregatedScoreXmlStreamTest.java
@@ -70,13 +70,4 @@ private void verifyStream(final AggregatedScore score) {
         assertThat(score).hasPitAchieved(73);
         assertThat(score.getPitScores()).hasSize(1);
     }
-
-    private Path createTempFile() {
-        try {
-            return Files.createTempFile("test", ".test");
-        }
-        catch (IOException exception) {
-            throw new AssertionError(exception);
-        }
-    }
 }
diff --git a/ui-tests/pom.xml b/ui-tests/pom.xml
index 4a1dee7f..06e058c2 100644
--- a/ui-tests/pom.xml
+++ b/ui-tests/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>edu.hm.hafner</groupId>
     <artifactId>codingstyle-pom</artifactId>
-    <version>1.6.0</version>
+    <version>2.0.2</version>
     <relativePath/>
   </parent>
 
@@ -16,10 +16,7 @@
   <name>UI Tests of Autograding Plugin</name>
 
   <properties>
-    <jenkins.version>2.235.1</jenkins.version>
-    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <java.version>1.8</java.version>
-    <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
+    <jenkins.version>2.263.3</jenkins.version>
   </properties>
 
   <dependencies>
@@ -130,7 +127,7 @@
           <environmentVariables>
             <PLUGINS_DIR>../plugin/target/test-classes/test-dependencies</PLUGINS_DIR>
             <JENKINS_VERSION>${jenkins.version}</JENKINS_VERSION>
-            <BROWSER>firefox-container</BROWSER>
+            <BROWSER>chrome-container</BROWSER>
           </environmentVariables>
           <rerunFailingTestsCount>1</rerunFailingTestsCount>
         </configuration>