diff --git a/app/build.gradle b/app/build.gradle
index a9c5cefd6..d66f6a9c3 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -5,8 +5,8 @@ buildscript {
     }
 
     dependencies {
-        classpath 'org.greenrobot:greendao-gradle-plugin:3.2.2'
-        classpath 'io.fabric.tools:gradle:1.25.1'
+        classpath "org.greenrobot:greendao-gradle-plugin:$greenDaoGradle"
+        classpath "io.fabric.tools:gradle:$fabricGradle"
     }
 }
 
@@ -66,6 +66,10 @@ greendao {
     generateTests = true
 }
 
+configurations.all {
+    resolutionStrategy.force "com.android.support:support-annotations:$supportVersion"
+}
+
 dependencies {
     implementation project(':api')
     implementation "com.android.support:support-v4:$supportVersion"
diff --git a/build.gradle b/build.gradle
index c9dd5ac04..a73e0016c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,12 +7,18 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.1.2'
-        classpath "org.sonarsource.scanner.gradle:sonarqube-gradle-plugin:2.6.1"
-        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7.3'
-        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
+        classpath "org.sonarsource.scanner.gradle:sonarqube-gradle-plugin:2.6.2"
+        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.0'
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
     }
 }
 
+plugins {
+
+    // gradle dependencyUpdates -Drevision=release
+    id "com.github.ben-manes.versions" version "0.17.0"
+}
+
 project.ext.preDexLibs = !project.hasProperty("disablePreDex")
 subprojects {
     project.plugins.whenPluginAdded { plugin ->
@@ -28,28 +34,31 @@ ext {
     GROUP_ID = "io.github.wulkanowy"
 
     supportVersion = "26.1.0"
+    flexibleAdapter = "5.0.2"
+    flexibleUi = "1.0.0-b2"
+
     firebaseJob = "0.8.5"
     apacheLang = "3.7"
     apacheCollections = "4.1"
-    flexibleAdapter = "5.0.2"
-    flexibleUi = "1.0.0-b2"
     greenDao = "3.2.2"
     greenDaoHelper = "v2.0.2"
+    greenDaoGradle = "3.2.2"
     butterknife = "8.8.1"
-    threeTenABP = "1.0.5"
+    threeTenABP = "1.1.0"
     dagger2 = "2.15"
-    ahbottom = "2.1.0"
-    jsoup = "1.10.3"
-    gson = "2.8.2"
+    ahbottom = "2.2.0"
+    jsoup = "1.11.3"
+    gson = "2.8.4"
 
     debugDb = "1.0.3"
     sqlcipher = "3.5.9"
 
     junit = "4.12"
-    mockito = "2.16.0"
-    testRunner = "1.0.1"
+    mockito = "2.18.3"
+    testRunner = "1.0.2"
 
-    crashlyticsSdk = "2.9.1"
+    fabricGradle = "1.25.3"
+    crashlyticsSdk = "2.9.2"
     crashlyticsAnswers = "1.4.1"
 }