diff --git a/app/build.gradle b/app/build.gradle
index 297dbfc6..4645c468 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -58,7 +58,7 @@ dependencies {
     compile 'dnsjava:dnsjava:2.1.7'
     compile 'org.apache.commons:commons-lang3:3.4'
     provided 'org.projectlombok:lombok:1.16.6'
-    compile('org.slf4j:slf4j-android:1.7.13')
+    compile 'org.slf4j:slf4j-android:1.7.13'
 
     compile project(':dav4android')
     compile project(':ical4android')
@@ -66,5 +66,5 @@ dependencies {
 
     compile project(':MemorizingTrustManager')
 
-    androidTestCompile 'com.squareup.okhttp:mockwebserver:2.6.0'
+    androidTestCompile 'com.squareup.okhttp:mockwebserver:2.7.1'
 }
diff --git a/app/src/main/java/at/bitfire/davdroid/resource/DavResourceFinder.java b/app/src/main/java/at/bitfire/davdroid/resource/DavResourceFinder.java
index fa370150..ec2c668f 100644
--- a/app/src/main/java/at/bitfire/davdroid/resource/DavResourceFinder.java
+++ b/app/src/main/java/at/bitfire/davdroid/resource/DavResourceFinder.java
@@ -110,7 +110,7 @@ public class DavResourceFinder {
                 1. user-given URL is a calendar
                 2. user-given URL has a calendar-home-set property (i.e. is a principal URL)
              */
-            log.info("Check whether user-given URL is a calendar collection and/or contains <calendar-home-set> and/or has <current-user-principal>");
+            log.info("Check whether user-given URL is a calendar collection and/or contains home-set and/or has current-user-principal");
             DavResource davBase = new DavResource(log, httpClient, userURL);
             try {
                 if (service == Service.CALDAV) {
diff --git a/dav4android b/dav4android
index ea03135d..f060f00f 160000
--- a/dav4android
+++ b/dav4android
@@ -1 +1 @@
-Subproject commit ea03135d7dd194832fdcc8b47bd041b87d918edb
+Subproject commit f060f00fe6ccf5e8a79690c8707cf2b1d98a3d17
diff --git a/ical4android b/ical4android
index 46d23fb4..652eac6f 160000
--- a/ical4android
+++ b/ical4android
@@ -1 +1 @@
-Subproject commit 46d23fb4ff276f4efb317069b7c072d5c29ba4d2
+Subproject commit 652eac6f3f9fe5adb94e6142d1bad5761b468feb