diff --git a/.appveyor.yml b/.appveyor.yml
index db3f6f6..7610697 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -2,12 +2,12 @@ build: off
 
 install:
   - git submodule update --init
-  - choco install openjdk --version 11.0.2.01
-  - SET JAVA_HOME=C:\Program Files\OpenJDK\jdk-11.0.2
-  - SET PATH=C:\Program Files\OpenJDK\jdk-11.0.2\bin;%PATH%
-  - curl -o jdk.packager-windows.zip http://download2.gluonhq.com/jpackager/11/jdk.packager-windows.zip
+  - choco install openjdk --version 13.0.101
+  - SET JAVA_HOME=C:\Program Files\OpenJDK\jdk-13.0.1
+  - SET PATH=C:\Program Files\OpenJDK\jdk-13.0.1\bin;%PATH%
+  - curl -o jdk.packager-windows.zip http://download2.gluonhq.com/jpackager/13/jdk.packager-windows.zip
   - 7z e jdk.packager-windows.zip
-  - curl -o jmods.zip https://download2.gluonhq.com/openjfx/11.0.2/openjfx-11.0.2_windows-x64_bin-jmods.zip
+  - curl -o jmods.zip https://download2.gluonhq.com/openjfx/13.0.1/openjfx-13.0.1_windows-x64_bin-jmods.zip
   - 7z x jmods.zip
   - mv jpackager.exe "%JAVA_HOME%\bin"
   - mv jdk.packager.jar "%JAVA_HOME%\jmods"
@@ -19,7 +19,7 @@ cache:
 test_script:
   - cd pretixscan
   - gradlew --no-daemon -version
-  - gradlew --no-daemon --stacktrace clean createBundle -PjavafxJmodsPath=../../javafx-jmods-11.0.2/
+  - gradlew --no-daemon --stacktrace clean createBundle -PjavafxJmodsPath=../../javafx-jmods-13.0.1/
   - mkdir dist
   - '"C:\Program Files (x86)\NSIS\makensis.exe" packaging\build\resources\main\windows.nsi'
 
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2c7c8a3..041c19b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,13 +3,13 @@ variables:
 package:
     before_script:
         - apt update && apt -y install fakeroot
-        - wget https://download2.gluonhq.com/openjfx/11.0.2/openjfx-11.0.2_linux-x64_bin-jmods.zip
-        - unzip openjfx-11.0.2_linux-x64_bin-jmods.zip
-        - wget https://download2.gluonhq.com/jpackager/11/jdk.packager-linux.zip
+        - wget https://download2.gluonhq.com/openjfx/13.0.1/openjfx-13.0.1_linux-x64_bin-jmods.zip
+        - unzip openjfx-13.0.1_linux-x64_bin-jmods.zip
+        - wget https://download2.gluonhq.com/jpackager/13/jdk.packager-linux.zip
         - unzip jdk.packager-linux.zip
     script:
         - cd pretixscan
-        - ./gradlew clean createBundle -PjavafxJmodsPath=../../javafx-jmods-11.0.2/ -PjavaPackagerPath=../../
+        - ./gradlew clean createBundle -PjavafxJmodsPath=../../javafx-jmods-13.0.1/ -PjavaPackagerPath=../../
     tags:
         - java
     artifacts:
diff --git a/pretixscan/build.gradle b/pretixscan/build.gradle
index c45ec3d..2ccd065 100644
--- a/pretixscan/build.gradle
+++ b/pretixscan/build.gradle
@@ -26,7 +26,7 @@ buildscript {
         classpath "net.ltgt.gradle:gradle-apt-plugin:0.17"
         classpath group: 'de.dynamicfiles.projects.gradle.plugins', name: 'javafx-gradle-plugin', version: '8.8.2'
         classpath 'com.github.jengelman.gradle.plugins:shadow:2.0.1'
-        classpath 'org.openjfx:javafx-plugin:0.0.7'
+        classpath 'org.openjfx:javafx-plugin:0.0.8'
     }
 }
 
diff --git a/pretixscan/gradle/wrapper/gradle-wrapper.jar b/pretixscan/gradle/wrapper/gradle-wrapper.jar
index ed88a04..5c2d1cf 100644
Binary files a/pretixscan/gradle/wrapper/gradle-wrapper.jar and b/pretixscan/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/pretixscan/gradle/wrapper/gradle-wrapper.properties b/pretixscan/gradle/wrapper/gradle-wrapper.properties
index 9ed2250..9492014 100644
--- a/pretixscan/gradle/wrapper/gradle-wrapper.properties
+++ b/pretixscan/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Jul 22 15:25:38 CEST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.5.1-all.zip
diff --git a/pretixscan/gradlew b/pretixscan/gradlew
index cccdd3d..8e25e6c 100755
--- a/pretixscan/gradlew
+++ b/pretixscan/gradlew
@@ -1,5 +1,21 @@
 #!/usr/bin/env sh
 
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 ##############################################################################
 ##
 ##  Gradle start up script for UN*X
@@ -28,7 +44,7 @@ APP_NAME="Gradle"
 APP_BASE_NAME=`basename "$0"`
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD="maximum"
diff --git a/pretixscan/gradlew.bat b/pretixscan/gradlew.bat
index e95643d..24467a1 100644
--- a/pretixscan/gradlew.bat
+++ b/pretixscan/gradlew.bat
@@ -1,3 +1,19 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
 @if "%DEBUG%" == "" @echo off
 @rem ##########################################################################
 @rem
@@ -14,7 +30,7 @@ set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
 
 @rem Find java.exe
 if defined JAVA_HOME goto findJavaFromJavaHome
diff --git a/pretixscan/gui/build.gradle b/pretixscan/gui/build.gradle
index a1b4107..dd8c569 100644
--- a/pretixscan/gui/build.gradle
+++ b/pretixscan/gui/build.gradle
@@ -70,10 +70,10 @@ dependencies {
     }
     testCompile group: 'junit', name: 'junit', version: '4.12'
 
-    javafxCompile "org.openjfx:javafx-base:11.0.2:${platform}"
-    javafxCompile "org.openjfx:javafx-graphics:11.0.2:${platform}"
-    javafxCompile "org.openjfx:javafx-controls:11.0.2:${platform}"
-    javafxCompile "org.openjfx:javafx-fxml:11.0.2:${platform}"
+    javafxCompile "org.openjfx:javafx-base:13.0.1:${platform}"
+    javafxCompile "org.openjfx:javafx-graphics:13.0.1:${platform}"
+    javafxCompile "org.openjfx:javafx-controls:13.0.1:${platform}"
+    javafxCompile "org.openjfx:javafx-fxml:13.0.1:${platform}"
 
     compileOnly configurations.javafxCompile
 }