diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index 250c584a..dc130424 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 569b87ca..5bcb025b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -6,8 +6,8 @@ android {
         applicationId "eu.faircode.email"
         minSdkVersion 23
         targetSdkVersion 28
-        versionCode 51
-        versionName "0.51"
+        versionCode 52
+        versionName "0.52"
         archivesBaseName = "FairEmail-v$versionName"
 
         javaCompileOptions {