diff --git a/app/src/main/java/com/zeapo/pwdstore/PasswordFragment.java b/app/src/main/java/com/zeapo/pwdstore/PasswordFragment.java
index b8d7bd8dd..c92f037eb 100644
--- a/app/src/main/java/com/zeapo/pwdstore/PasswordFragment.java
+++ b/app/src/main/java/com/zeapo/pwdstore/PasswordFragment.java
@@ -3,7 +3,7 @@ package com.zeapo.pwdstore;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.os.Bundle;
-import android.preference.PreferenceManager;
+import androidx.preference.PreferenceManager;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/app/src/main/java/com/zeapo/pwdstore/PasswordStore.java b/app/src/main/java/com/zeapo/pwdstore/PasswordStore.java
index 441826029..b75aafd38 100644
--- a/app/src/main/java/com/zeapo/pwdstore/PasswordStore.java
+++ b/app/src/main/java/com/zeapo/pwdstore/PasswordStore.java
@@ -12,7 +12,7 @@ import android.graphics.Color;
 import android.graphics.drawable.Icon;
 import android.os.Build;
 import android.os.Bundle;
-import android.preference.PreferenceManager;
+import androidx.preference.PreferenceManager;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.KeyEvent;
diff --git a/app/src/main/java/com/zeapo/pwdstore/SelectFolderFragment.java b/app/src/main/java/com/zeapo/pwdstore/SelectFolderFragment.java
index 31fd57a15..ba5296c88 100644
--- a/app/src/main/java/com/zeapo/pwdstore/SelectFolderFragment.java
+++ b/app/src/main/java/com/zeapo/pwdstore/SelectFolderFragment.java
@@ -2,7 +2,7 @@ package com.zeapo.pwdstore;
 
 import android.content.Context;
 import android.os.Bundle;
-import android.preference.PreferenceManager;
+import androidx.preference.PreferenceManager;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/app/src/main/java/com/zeapo/pwdstore/SshKeyGen.java b/app/src/main/java/com/zeapo/pwdstore/SshKeyGen.java
index 476ca6b1e..6218bf0ef 100644
--- a/app/src/main/java/com/zeapo/pwdstore/SshKeyGen.java
+++ b/app/src/main/java/com/zeapo/pwdstore/SshKeyGen.java
@@ -12,7 +12,7 @@ import android.content.SharedPreferences;
 import android.graphics.Typeface;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.preference.PreferenceManager;
+import androidx.preference.PreferenceManager;
 import android.text.InputType;
 import android.view.LayoutInflater;
 import android.view.View;