diff --git a/app/src/main/assets/pl-changelog.html b/app/src/main/assets/pl-changelog.html
index d9dbc980..af4aaca4 100644
--- a/app/src/main/assets/pl-changelog.html
+++ b/app/src/main/assets/pl-changelog.html
@@ -1,6 +1,8 @@
-<h3>Wersja 4.13.5, 2023-03-22</h3>
+<h3>Wersja 4.13.6, 2023-03-24</h3>
 <ul>
     <li>Naprawiono pobieranie załączników na Androidzie 13 i nowszym.</li>
+    <li>Dodano opcję odświeżenia planu lekcji na wybrany tydzień.</li>
+    <li>Usunięto błędy logowania. @BxOxSxS</li>
 </ul>
 <br>
 <br>
diff --git a/app/src/main/cpp/szkolny-signing.cpp b/app/src/main/cpp/szkolny-signing.cpp
index e16b965b..9ae8f745 100644
--- a/app/src/main/cpp/szkolny-signing.cpp
+++ b/app/src/main/cpp/szkolny-signing.cpp
@@ -9,7 +9,7 @@
 
 /*secret password - removed for source code publication*/
 static toys AES_IV[16] = {
-	0x92, 0xc2, 0xe7, 0x13, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff  };
+	0x6d, 0xa5, 0x32, 0xe6, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff  };
 
 unsigned char *agony(unsigned int laugh, unsigned char *box, unsigned char *heat);
 
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/szkolny/interceptor/Signing.kt b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/szkolny/interceptor/Signing.kt
index 3304fa2d..f520ac62 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/szkolny/interceptor/Signing.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/szkolny/interceptor/Signing.kt
@@ -46,6 +46,6 @@ object Signing {
 
     /*fun provideKey(param1: String, param2: Long): ByteArray {*/
     fun pleaseStopRightNow(param1: String, param2: Long): ByteArray {
-        return "$param1.MTIzNDU2Nzg5MD3uL2uE3E===.$param2".sha256()
+        return "$param1.MTIzNDU2Nzg5MD01uMP7oW===.$param2".sha256()
     }
 }
diff --git a/build.gradle b/build.gradle
index 52abf366..64d1f3c8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,8 +5,8 @@ buildscript {
         kotlin_version = '1.6.10'
 
         release = [
-                versionName: "4.13.5",
-                versionCode: 4130599
+                versionName: "4.13.6",
+                versionCode: 4130699
         ]
 
         setup = [