diff --git a/app/build.gradle b/app/build.gradle
index 11978824..b53c1b13 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -42,5 +42,6 @@ dependencies {
     implementation 'com.google.code.gson:gson:2.8.6'
     implementation 'cn.wanghaomiao:JsoupXpath:2.5.1'
     implementation 'com.google.zxing:core:3.3.0'
+    implementation 'com.hierynomus:smbj:0.11.5'
     implementation 'org.jsoup:jsoup:1.15.3'
 }
\ No newline at end of file
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 660f5b68..83ae7cde 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -20,19 +20,29 @@
 -keep,allowobfuscation,allowshrinking class com.google.gson.reflect.TypeToken
 -keep,allowobfuscation,allowshrinking class * extends com.google.gson.reflect.TypeToken
 
-# Cronet
--keep class org.chromium.net.** { *; }
--keep class com.google.net.cronet.** { *; }
-
 # OkHttp
 -dontwarn okhttp3.**
 -keep class okio.** { *; }
 -keep class okhttp3.** { *; }
 
+# Cronet
+-keep class org.chromium.net.** { *; }
+-keep class com.google.net.cronet.** { *; }
+
+# Jsoup
+-keep class org.jsoup.**{ *; }
+
 # Sardine
 -keep class com.thegrizzlylabs.sardineandroid.** { *; }
 
+# Smbj
+-keep class com.hierynomus.** { *; }
+
+# XPath
+-keep class org.seimicrawler.xpath.**{ *; }
+
 # Zxing
+-keep class com.google.zxing.** { *; }
 -keepclassmembers enum * {
     public static **[] values();
     public static ** valueOf(java.lang.String);