diff --git a/build.gradle b/build.gradle
index 1f383d2c..f66d6cb5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,7 +17,7 @@ allprojects {
     ext.androidBuildVersionTools = "29.0.2"
     ext.gdxVersion = "1.9.10"
     ext.gwtVersion = "2.8.2"
-    ext.slf4jVersion = "1.7.25"
+    ext.slf4jVersion = "1.7.28"
 
     if (JavaVersion.current().isJava8Compatible()) {
         tasks.withType(Javadoc) {
diff --git a/docs/Integration.md b/docs/Integration.md
index 9c058103..00c4309b 100644
--- a/docs/Integration.md
+++ b/docs/Integration.md
@@ -10,7 +10,7 @@ Current version is [![Maven Central](https://img.shields.io/maven-central/v/org.
 ```groovy
 implementation 'org.mapsforge:vtm:[CURRENT-VERSION]'
 implementation 'org.mapsforge:vtm-themes:[CURRENT-VERSION]'
-implementation 'org.slf4j:slf4j-api:1.7.25'
+implementation 'org.slf4j:slf4j-api:1.7.28'
 ```
 
 ### Android
@@ -20,7 +20,7 @@ implementation 'org.mapsforge:vtm-android:[CURRENT-VERSION]:natives-armeabi-v7a'
 implementation 'org.mapsforge:vtm-android:[CURRENT-VERSION]:natives-arm64-v8a'
 implementation 'org.mapsforge:vtm-android:[CURRENT-VERSION]:natives-x86'
 implementation 'org.mapsforge:vtm-android:[CURRENT-VERSION]:natives-x86_64'
-implementation 'com.caverock:androidsvg:1.3'
+implementation 'com.caverock:androidsvg:1.4'
 ```
 
 ### Android (libGDX)
@@ -38,7 +38,7 @@ implementation 'org.mapsforge:vtm-android-gdx:[CURRENT-VERSION]:natives-x86'
 implementation 'org.mapsforge:vtm-android-gdx:[CURRENT-VERSION]:natives-x86_64'
 implementation 'com.badlogicgames.gdx:gdx:1.9.10'
 implementation 'com.badlogicgames.gdx:gdx-backend-android:1.9.10'
-implementation 'com.caverock:androidsvg:1.3'
+implementation 'com.caverock:androidsvg:1.4'
 ```
 
 ### iOS
@@ -59,12 +59,12 @@ implementation 'org.mapsforge:vtm-desktop:[CURRENT-VERSION]:natives-windows'
 implementation 'org.mapsforge:vtm-desktop-lwjgl:[CURRENT-VERSION]'
 implementation 'com.badlogicgames.gdx:gdx:1.9.10'
 implementation 'com.badlogicgames.gdx:gdx-platform:1.9.10:natives-desktop'
-implementation 'com.badlogicgames.gdx:gdx-backend-lwjgl:1.9.10'
 implementation 'com.github.blackears:svgSalamander:v1.1.1'
 ```
 
 ### Desktop (LWJGL)
 ```groovy
+implementation 'com.badlogicgames.gdx:gdx-backend-lwjgl:1.9.10'
 implementation 'org.lwjgl.lwjgl:lwjgl:2.9.3'
 implementation 'org.lwjgl.lwjgl:lwjgl-platform:2.9.3:natives-linux'
 implementation 'org.lwjgl.lwjgl:lwjgl-platform:2.9.3:natives-osx'
@@ -73,25 +73,28 @@ implementation 'org.lwjgl.lwjgl:lwjgl-platform:2.9.3:natives-windows'
 
 ### Desktop (LWJGL 3)
 ```groovy
-implementation 'org.lwjgl:lwjgl:3.2.1'
-implementation 'org.lwjgl:lwjgl:3.2.1:natives-linux'
-implementation 'org.lwjgl:lwjgl:3.2.1:natives-macos'
-implementation 'org.lwjgl:lwjgl:3.2.1:natives-windows'
+implementation 'com.badlogicgames.gdx:gdx-backend-lwjgl3:1.9.10'
+implementation 'org.lwjgl:lwjgl:3.2.3'
+implementation 'org.lwjgl:lwjgl:3.2.3:natives-linux'
+implementation 'org.lwjgl:lwjgl:3.2.3:natives-macos'
+implementation 'org.lwjgl:lwjgl:3.2.3:natives-windows'
 ```
 
 ### JTS geometries
 
 ```groovy
 implementation 'org.mapsforge:vtm-jts:[CURRENT-VERSION]'
-implementation 'org.locationtech.jts:jts-core:1.15.0'
+// https://github.com/locationtech/jts/issues/145
+implementation 'org.locationtech.jts:jts-core:1.15.1'
 ```
 
 ### Online tiles
 
 ```groovy
 implementation 'org.mapsforge:vtm-http:[CURRENT-VERSION]'
-implementation 'com.squareup.okhttp3:okhttp:3.8.0'
-implementation 'com.squareup.okio:okio:1.13.0'
+// https://github.com/square/okhttp/issues/4481
+implementation 'com.squareup.okhttp3:okhttp:3.12.5'
+implementation 'com.squareup.okio:okio:1.15.0'
 ```
 
 ### MBTiles (Android)
@@ -99,27 +102,29 @@ implementation 'com.squareup.okio:okio:1.13.0'
 ```groovy
 implementation 'org.mapsforge:vtm-android-mvt:[CURRENT-VERSION]'
 implementation 'org.mapsforge:vtm-mvt:[CURRENT-VERSION]'
-implementation 'com.google.protobuf:protobuf-java:3.5.1'
-implementation 'com.wdtinc:mapbox-vector-tile:3.0.0'
-implementation 'org.locationtech.jts:jts-core:1.15.0'
+implementation 'com.google.protobuf:protobuf-java:3.6.1'
+implementation 'com.wdtinc:mapbox-vector-tile:3.1.0'
+// https://github.com/locationtech/jts/issues/145
+implementation 'org.locationtech.jts:jts-core:1.15.1'
 ```
 
 ### Mapbox vector tiles
 
 ```groovy
 implementation 'org.mapsforge:vtm-mvt:[CURRENT-VERSION]'
-implementation 'com.google.protobuf:protobuf-java:3.5.1'
-implementation 'com.wdtinc:mapbox-vector-tile:3.0.0'
-implementation 'org.locationtech.jts:jts-core:1.15.0'
+implementation 'com.google.protobuf:protobuf-java:3.6.1'
+implementation 'com.wdtinc:mapbox-vector-tile:3.1.0'
+// https://github.com/locationtech/jts/issues/145
+implementation 'org.locationtech.jts:jts-core:1.15.1'
 ```
 
 ### GeoJSON vector tiles
 
 ```groovy
 implementation 'org.mapsforge:vtm-json:[CURRENT-VERSION]'
-implementation 'com.fasterxml.jackson.core:jackson-annotations:2.8.4'
-implementation 'com.fasterxml.jackson.core:jackson-core:2.8.4'
-implementation 'com.fasterxml.jackson.core:jackson-databind:2.8.4'
+implementation 'com.fasterxml.jackson.core:jackson-annotations:2.9.9'
+implementation 'com.fasterxml.jackson.core:jackson-core:2.9.9'
+implementation 'com.fasterxml.jackson.core:jackson-databind:2.9.9'
 ```
 
 ### jeo (indoor maps)
diff --git a/vtm-android-example/src/org/oscim/android/test/MapilionMvtActivity.java b/vtm-android-example/src/org/oscim/android/test/MapilionMvtActivity.java
index 5a9d6d80..1cf353fa 100644
--- a/vtm-android-example/src/org/oscim/android/test/MapilionMvtActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/MapilionMvtActivity.java
@@ -14,8 +14,11 @@
  */
 package org.oscim.android.test;
 
+import android.os.Build;
 import android.os.Bundle;
-
+import okhttp3.CipherSuite;
+import okhttp3.ConnectionSpec;
+import okhttp3.OkHttpClient;
 import org.oscim.android.cache.TileCache;
 import org.oscim.layers.tile.bitmap.BitmapTileLayer;
 import org.oscim.layers.tile.buildings.BuildingLayer;
@@ -27,6 +30,10 @@ import org.oscim.tiling.source.UrlTileSource;
 import org.oscim.tiling.source.bitmap.DefaultSources;
 import org.oscim.tiling.source.mvt.MapilionMvtTileSource;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
 public class MapilionMvtActivity extends MapActivity {
 
     // Metered API key for demonstration purposes
@@ -40,7 +47,23 @@ public class MapilionMvtActivity extends MapActivity {
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        OkHttpEngine.OkHttpFactory factory = new OkHttpEngine.OkHttpFactory();
+        OkHttpClient.Builder builder = new OkHttpClient.Builder();
+
+        // https://github.com/square/okhttp/issues/4053
+        if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) {
+            List<CipherSuite> cipherSuites = new ArrayList<>();
+            List<CipherSuite> modernTlsCipherSuites = ConnectionSpec.MODERN_TLS.cipherSuites();
+            if (modernTlsCipherSuites != null)
+                cipherSuites.addAll(modernTlsCipherSuites);
+            cipherSuites.add(CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA);
+            cipherSuites.add(CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA);
+            ConnectionSpec legacyTls = new ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
+                    .cipherSuites(cipherSuites.toArray(new CipherSuite[0]))
+                    .build();
+            builder.connectionSpecs(Arrays.asList(legacyTls, ConnectionSpec.CLEARTEXT));
+        }
+
+        OkHttpEngine.OkHttpFactory factory = new OkHttpEngine.OkHttpFactory(builder);
 
         UrlTileSource tileSource = MapilionMvtTileSource.builder()
                 .apiKey(API_KEY)
diff --git a/vtm-android/build.gradle b/vtm-android/build.gradle
index f253066d..e9421d21 100644
--- a/vtm-android/build.gradle
+++ b/vtm-android/build.gradle
@@ -3,7 +3,7 @@ apply plugin: 'com.github.dcendents.android-maven'
 
 dependencies {
     api project(':vtm')
-    api 'com.caverock:androidsvg:1.3'
+    api 'com.caverock:androidsvg:1.4'
 }
 
 android {
diff --git a/vtm-app/build.gradle b/vtm-app/build.gradle
index 12be9999..a9916e8f 100644
--- a/vtm-app/build.gradle
+++ b/vtm-app/build.gradle
@@ -4,7 +4,8 @@ dependencies {
     implementation project(':vtm-android')
     implementation project(':vtm-extras')
     implementation project(':vtm-themes')
-    implementation 'com.squareup.okhttp3:okhttp:3.8.0'
+    // https://github.com/square/okhttp/issues/4481
+    implementation 'com.squareup.okhttp3:okhttp:3.12.5'
     implementation "org.slf4j:slf4j-android:$slf4jVersion"
 }
 
diff --git a/vtm-extras/build.gradle b/vtm-extras/build.gradle
index 9eada5f7..123d52e2 100644
--- a/vtm-extras/build.gradle
+++ b/vtm-extras/build.gradle
@@ -3,9 +3,10 @@ apply plugin: 'maven'
 
 dependencies {
     api project(':vtm')
-    api 'com.fasterxml.jackson.core:jackson-core:2.8.4'
-    api 'org.locationtech.jts:jts-core:1.15.0'
-    api 'org.openstreetmap.osmosis:osmosis-osm-binary:0.46'
+    api 'com.fasterxml.jackson.core:jackson-core:2.9.9'
+    // https://github.com/locationtech/jts/issues/145
+    api 'org.locationtech.jts:jts-core:1.15.1'
+    api 'org.openstreetmap.osmosis:osmosis-osm-binary:0.47'
 }
 
 sourceSets {
diff --git a/vtm-http/build.gradle b/vtm-http/build.gradle
index 88e07e0f..6dbbd32e 100644
--- a/vtm-http/build.gradle
+++ b/vtm-http/build.gradle
@@ -3,7 +3,8 @@ apply plugin: 'maven'
 
 dependencies {
     api project(':vtm')
-    api 'com.squareup.okhttp3:okhttp:3.8.0'
+    // https://github.com/square/okhttp/issues/4481
+    api 'com.squareup.okhttp3:okhttp:3.12.5'
 }
 
 sourceSets {
diff --git a/vtm-json/build.gradle b/vtm-json/build.gradle
index 2060150e..57fc0586 100644
--- a/vtm-json/build.gradle
+++ b/vtm-json/build.gradle
@@ -3,7 +3,7 @@ apply plugin: 'maven'
 
 dependencies {
     api project(':vtm')
-    api 'com.fasterxml.jackson.core:jackson-core:2.8.4'
+    api 'com.fasterxml.jackson.core:jackson-core:2.9.9'
 }
 
 sourceSets {
diff --git a/vtm-jts/build.gradle b/vtm-jts/build.gradle
index 559baba8..61b4ae7b 100644
--- a/vtm-jts/build.gradle
+++ b/vtm-jts/build.gradle
@@ -3,7 +3,8 @@ apply plugin: 'maven'
 
 dependencies {
     api project(':vtm')
-    api 'org.locationtech.jts:jts-core:1.15.0'
+    // https://github.com/locationtech/jts/issues/145
+    api 'org.locationtech.jts:jts-core:1.15.1'
 }
 
 sourceSets {
diff --git a/vtm-mvt/build.gradle b/vtm-mvt/build.gradle
index 9ee694fd..b3c7d9f8 100644
--- a/vtm-mvt/build.gradle
+++ b/vtm-mvt/build.gradle
@@ -3,7 +3,7 @@ apply plugin: 'maven'
 
 dependencies {
     api project(':vtm')
-    api 'com.wdtinc:mapbox-vector-tile:3.0.0'
+    api 'com.wdtinc:mapbox-vector-tile:3.1.0'
 }
 
 sourceSets {
diff --git a/vtm/build.gradle b/vtm/build.gradle
index 784984db..bd4b69c9 100644
--- a/vtm/build.gradle
+++ b/vtm/build.gradle
@@ -3,7 +3,7 @@ apply plugin: 'maven'
 
 dependencies {
     api "org.slf4j:slf4j-api:$slf4jVersion"
-    compileOnly 'com.google.code.findbugs:jsr305:3.0.1'
+    compileOnly 'com.google.code.findbugs:jsr305:3.0.2'
 }
 
 sourceSets {