diff --git a/.travis.yml b/.travis.yml
index 21df6a63..c7b1eef8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,6 @@ group: edge
 android:
   components:
     - tools
-    - build-tools-26.0.1
     - android-26
 
 install:
diff --git a/app/build.gradle b/app/build.gradle
index 180405af..f77c96a8 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,6 +9,7 @@ android {
         targetSdkVersion 25
         versionCode 1
         versionName "1.0"
+        multiDexEnabled true
     }
     buildTypes {
         release {
@@ -23,12 +24,11 @@ android {
 }
 
 dependencies {
-    compile fileTree(include: ['*.jar'], dir: 'libs')
-    testCompile 'junit:junit:4.12'
-    compile 'com.android.support:appcompat-v7:25.4.0'
-    compile 'com.android.support:design:25.4.0'
-    compile project(':libaums')
-    compile project(':httpserver')
-    compile project(':storageprovider')
-    compile project(':javafs')
+    testImplementation 'junit:junit:4.12'
+    implementation 'com.android.support:appcompat-v7:25.4.0'
+    implementation 'com.android.support:design:25.4.0'
+    implementation project(':libaums')
+    implementation project(':httpserver')
+    implementation project(':storageprovider')
+    implementation project(':javafs')
 }
diff --git a/httpserver/build.gradle b/httpserver/build.gradle
index 8a22e0ef..1aaa2117 100644
--- a/httpserver/build.gradle
+++ b/httpserver/build.gradle
@@ -33,14 +33,14 @@ android {
 }
 
 dependencies {
-    compile 'org.nanohttpd:nanohttpd:2.+'
+    implementation 'org.nanohttpd:nanohttpd:2.+'
     javadocDeps 'org.nanohttpd:nanohttpd:2.+'
 
-    compile 'com.koushikdutta.async:androidasync:2.+'
+    implementation 'com.koushikdutta.async:androidasync:2.+'
 
-    compile fileTree(include: ['*.jar'], dir: 'libs')
-    compile 'com.android.support:support-annotations:27.0.2'
-    compile project(':libaums')
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation 'com.android.support:support-annotations:27.0.2'
+    implementation project(':libaums')
 }
 
 task bintray {
diff --git a/javafs/build.gradle b/javafs/build.gradle
index 46139e5e..4bf87257 100644
--- a/javafs/build.gradle
+++ b/javafs/build.gradle
@@ -24,15 +24,16 @@ android {
 }
 
 dependencies {
-    compile project(':libaums')
+    implementation project(':libaums')
+    implementation 'com.android.support:support-annotations:27.0.2'
 
-    compile('log4j:log4j:1.2.17')
-    compile('de.mindpipe.android:android-logging-log4j:1.0.3')
-    compile 'com.github.magnusja:java-fs:0.1.3'
+    implementation('log4j:log4j:1.2.17')
+    implementation('de.mindpipe.android:android-logging-log4j:1.0.3')
+    implementation 'com.github.magnusja:java-fs:0.1.3'
 
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    testCompile 'junit:junit:4.12'
+    implementation 'junit:junit:4.12'
 }
diff --git a/libaums/build.gradle b/libaums/build.gradle
index a9273742..cd16435b 100644
--- a/libaums/build.gradle
+++ b/libaums/build.gradle
@@ -49,13 +49,13 @@ android {
 }
 
 dependencies {
-    testCompile 'junit:junit:4.12'
-    testCompile 'org.apache.commons:commons-io:1.3.2'
-    testCompile 'com.eclipsesource.minimal-json:minimal-json:0.9.4'
-    testCompile 'org.xenei:junit-contracts:0.1.7'
-    testCompile 'org.mockito:mockito-core:2.7.22'
+    testImplementation 'junit:junit:4.12'
+    testImplementation 'commons-io:commons-io:1.3.2'
+    testImplementation 'com.eclipsesource.minimal-json:minimal-json:0.9.4'
+    testImplementation 'org.xenei:junit-contracts:0.1.7'
+    testImplementation 'org.mockito:mockito-core:2.7.22'
 
-    compile 'com.android.support:support-annotations:27.0.2'
+    implementation 'com.android.support:support-annotations:27.0.2'
     javadocDeps 'com.android.support:support-annotations:27.0.2'
 }
 
diff --git a/storageprovider/build.gradle b/storageprovider/build.gradle
index 1940a405..73c033e2 100644
--- a/storageprovider/build.gradle
+++ b/storageprovider/build.gradle
@@ -33,9 +33,9 @@ android {
 }
 
 dependencies {
-    compile fileTree(include: ['*.jar'], dir: 'libs')
-    compile 'org.apache.commons:commons-io:1.3.2'
-    compile project(':libaums')
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation 'commons-io:commons-io:1.3.2'
+    implementation project(':libaums')
 }