diff --git a/app/build.gradle b/app/build.gradle
index 37228df677..a769535b1b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -237,7 +237,7 @@ configurations.all {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
 
-    def core_version = "1.5.0-alpha04"
+    def core_version = "1.5.0-alpha05"
     def appcompat_version = "1.3.0-alpha02"
     def activity_version = "1.2.0-beta01"
     def fragment_version = "1.3.0-beta01"
diff --git a/app/src/main/java/eu/faircode/email/AdapterAttachment.java b/app/src/main/java/eu/faircode/email/AdapterAttachment.java
index 782470bf39..7d6b7d6740 100644
--- a/app/src/main/java/eu/faircode/email/AdapterAttachment.java
+++ b/app/src/main/java/eu/faircode/email/AdapterAttachment.java
@@ -208,6 +208,7 @@ public class AdapterAttachment extends RecyclerView.Adapter<AdapterAttachment.Vi
             try {
                 File file = attachment.getFile(context);
                 Uri uri = FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID, file);
+                // TODO: consider using getUriForFile(..., displayName)
 
                 Intent send = new Intent();
                 send.setAction(Intent.ACTION_SEND);