Fix mupdf package name
diff --git a/update.sh b/update.sh
index 17c3674..c60bbe2 100644
--- a/update.sh
+++ b/update.sh
@@ -53,7 +53,7 @@
 #Public transportation
 downloadFromFdroid de.grobox.liberario
 #Pdf viewer
-downloadFromFdroid com.artifex.mupdfdemo
+downloadFromFdroid com.artifex.mupdf.viewer.app
 #Keyboard/IME
 downloadFromFdroid com.menny.android.anysoftkeyboard "LatinIME OpenWnn"
 #Play Store download