diff --git a/app/build.gradle b/app/build.gradle
index 6dd589c320..941968cd14 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -138,23 +138,23 @@ dependencies {
     implementation 'com.github.pwittchen:reactivenetwork:0.13.0'
 
     // Network client
-    final okhttp_version = "4.2.1"
+    final okhttp_version = '4.3.1'
     implementation "com.squareup.okhttp3:okhttp:$okhttp_version"
     implementation "com.squareup.okhttp3:logging-interceptor:$okhttp_version"
-    implementation 'com.squareup.okio:okio:2.4.0'
+    implementation 'com.squareup.okio:okio:2.4.3'
 
     // REST
-    final retrofit_version = '2.6.2'
+    final retrofit_version = '2.7.1'
     implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
     implementation "com.squareup.retrofit2:converter-gson:$retrofit_version"
     implementation "com.squareup.retrofit2:adapter-rxjava:$retrofit_version"
 
     // JSON
-    implementation 'com.google.code.gson:gson:2.8.5'
+    implementation 'com.google.code.gson:gson:2.8.6'
     implementation 'com.github.salomonbrys.kotson:kotson:2.5.0'
 
     // JavaScript engine
-    implementation 'com.squareup.duktape:duktape-android:1.2.0'
+    implementation 'com.squareup.duktape:duktape-android:1.3.0'
 
     // Disk
     implementation 'com.jakewharton:disklrucache:2.0.2'