diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index 9b56f5cc95..ecddf305aa 100644
Binary files a/.idea/caches/build_file_checksums.ser and b/.idea/caches/build_file_checksums.ser differ
diff --git a/app/build.gradle b/app/build.gradle
index 04d50488f9..7ef5ef55a4 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -6,8 +6,8 @@ android {
         applicationId "eu.faircode.email"
         minSdkVersion 23
         targetSdkVersion 28
-        versionCode 87
-        versionName "1.87"
+        versionCode 88
+        versionName "1.88"
         archivesBaseName = "FairEmail-v$versionName"
 
         javaCompileOptions {