diff --git a/build.gradle b/build.gradle
index 07d594a0..23536ad8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -15,7 +15,7 @@ allprojects {
     ext.isReleaseVersion = !version.endsWith("SNAPSHOT")
 
     ext.androidBuildVersionTools = "28.0.3"
-    ext.gdxVersion = "1.9.8"
+    ext.gdxVersion = "1.9.9"
     ext.gwtVersion = "2.8.0"
     ext.slf4jVersion = "1.7.25"
 
diff --git a/docs/Changelog.md b/docs/Changelog.md
index f8abbebe..496bf3cc 100644
--- a/docs/Changelog.md
+++ b/docs/Changelog.md
@@ -10,6 +10,7 @@
 - vtm-models module [#580](https://github.com/mapsforge/vtm/issues/580)
 - ViewController refactor [#625](https://github.com/mapsforge/vtm/pull/625)
   - `getMapViewCenter` / `setMapViewCenter` use pivotX, pivotY
+- libGDX 1.9.9 [#635](https://github.com/mapsforge/vtm/issues/635)
 - Many other minor improvements and bug fixes
 - [Solved issues](https://github.com/mapsforge/vtm/issues?q=is%3Aclosed+milestone%3A0.11.0)
 
diff --git a/vtm-ios-example/build.gradle b/vtm-ios-example/build.gradle
index b095fb8f..8724ca03 100644
--- a/vtm-ios-example/build.gradle
+++ b/vtm-ios-example/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.mobidevelop.robovm:robovm-gradle-plugin:2.3.3'
+        classpath 'com.mobidevelop.robovm:robovm-gradle-plugin:2.3.5'
     }
 }
 
@@ -15,7 +15,7 @@ sourceSets.main.java.srcDirs = ["src/"]
 [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
 
 ext {
-    roboVMVersion = "2.3.3"
+    roboVMVersion = "2.3.5"
 }
 
 launchIPhoneSimulator.dependsOn build
diff --git a/vtm-ios/build.gradle b/vtm-ios/build.gradle
index 783e1685..d22211bc 100644
--- a/vtm-ios/build.gradle
+++ b/vtm-ios/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.mobidevelop.robovm:robovm-gradle-plugin:2.3.3'
+        classpath 'com.mobidevelop.robovm:robovm-gradle-plugin:2.3.5'
     }
 }
 
@@ -16,7 +16,7 @@ sourceSets.main.java.srcDirs = ["src/"]
 [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
 
 ext {
-    roboVMVersion = "2.3.3"
+    roboVMVersion = "2.3.5"
 }
 
 launchIPhoneSimulator.dependsOn build
diff --git a/vtm-web/src/org/oscim/gdx/emu/com/badlogic/gdx/backends/gwt/GwtApplication.java b/vtm-web/src/org/oscim/gdx/emu/com/badlogic/gdx/backends/gwt/GwtApplication.java
index 01bc5c79..950ac8d5 100644
--- a/vtm-web/src/org/oscim/gdx/emu/com/badlogic/gdx/backends/gwt/GwtApplication.java
+++ b/vtm-web/src/org/oscim/gdx/emu/com/badlogic/gdx/backends/gwt/GwtApplication.java
@@ -186,7 +186,7 @@ public abstract class GwtApplication implements EntryPoint, Application {
         Gdx.files = new GwtFiles(preloader);
         this.input = new GwtInput(graphics.canvas);
         Gdx.input = this.input;
-        this.net = new GwtNet();
+        this.net = new GwtNet(config);
         Gdx.net = this.net;
         this.clipboard = new GwtClipboard();
         updateLogLabelSize();
diff --git a/vtm-web/src/org/oscim/gdx/emu/com/badlogic/gdx/backends/gwt/GwtInput.java b/vtm-web/src/org/oscim/gdx/emu/com/badlogic/gdx/backends/gwt/GwtInput.java
index 8261ef16..d00b2214 100644
--- a/vtm-web/src/org/oscim/gdx/emu/com/badlogic/gdx/backends/gwt/GwtInput.java
+++ b/vtm-web/src/org/oscim/gdx/emu/com/badlogic/gdx/backends/gwt/GwtInput.java
@@ -160,6 +160,16 @@ public class GwtInput implements Input {
         return touched[pointer];
     }
 
+    @Override
+    public float getPressure() {
+        return 0;
+    }
+
+    @Override
+    public float getPressure(int pointer) {
+        return 0;
+    }
+
     @Override
     public boolean isButtonPressed(int button) {
         return pressedButtons.contains(button) && touched[0];