diff --git a/proguard.flags b/proguard.flags
index 272ab7a..3e12283 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -23,7 +23,10 @@
 # support jar.
 -keep class androidx.recyclerview.widget.RecyclerView { *; }
 
-# Preference fragments
+# Fragments
+-keep class ** extends androidx.fragment.app.Fragment {
+    public <init>(...);
+}
 -keep class ** extends android.app.Fragment {
     public <init>(...);
 }
@@ -50,4 +53,4 @@
 -dontwarn android.app.**
 -dontwarn android.view.**
 -dontwarn android.os.**
--dontwarn android.graphics.**
\ No newline at end of file
+-dontwarn android.graphics.**