diff --git a/oeffi/build.gradle b/oeffi/build.gradle
index b4292dc..1d0b0e5 100644
--- a/oeffi/build.gradle
+++ b/oeffi/build.gradle
@@ -6,6 +6,8 @@ configurations {
     all*.exclude group: 'net.sf.kxml', module: 'kxml2'
     all*.exclude group: 'androidx.legacy', module: 'legacy-support-core-ui'
     all*.exclude group: 'androidx.lifecycle', module: 'lifecycle-runtime'
+    all*.exclude group: 'com.google.guava', module: 'listenablefuture'
+    all*.exclude group: 'com.google.guava', module: 'failureaccess'
 }
 
 dependencies {
@@ -16,7 +18,7 @@ dependencies {
     compile 'androidx.drawerlayout:drawerlayout:1.0.0'
     compile 'com.squareup.okhttp3:okhttp:3.12.0'
     compile 'com.squareup.okhttp3:logging-interceptor:3.12.0'
-    compile 'com.google.guava:guava:26.0-android'
+    compile 'com.google.guava:guava:27.0-android'
     compile 'org.osmdroid:osmdroid-android:6.0.2'
     compile 'org.slf4j:slf4j-api:1.7.25'
     compile 'com.github.tony19:logback-android:1.3.0-2'