diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index 3a7ed7b4d4..975dae1ee8 100644
Binary files a/.idea/caches/build_file_checksums.ser and b/.idea/caches/build_file_checksums.ser differ
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 77d4700467..caad359b68 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -30,7 +30,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/build.gradle b/app/build.gradle
index 6b23a3fb7d..9f852d58f7 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -6,8 +6,8 @@ android {
         applicationId "eu.faircode.email"
         minSdkVersion 23
         targetSdkVersion 28
-        versionCode 26
-        versionName "0.26"
+        versionCode 27
+        versionName "0.27"
         archivesBaseName = "FairEmail-v$versionName"
 
         javaCompileOptions {