diff --git a/app/src/main/assets/pl-changelog.html b/app/src/main/assets/pl-changelog.html
index 9be13943..c2c859c4 100644
--- a/app/src/main/assets/pl-changelog.html
+++ b/app/src/main/assets/pl-changelog.html
@@ -1,4 +1,4 @@
-<h3>Wersja 4.13-rc.2, 2022-10-22</h3>
+<h3>Wersja 4.13-rc.3, 2022-10-23</h3>
 <ul>
     <li>Poprawione powiadomienia na Androidzie 13. @santoni0</li>
     <li>Możliwość dostosowania wyświetlania planu lekcji.</li>
diff --git a/app/src/main/cpp/szkolny-signing.cpp b/app/src/main/cpp/szkolny-signing.cpp
index 55821e14..b6487043 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] = {
-	0x54, 0xe7, 0x2a, 0xdd, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff  };
+	0x0f, 0x0d, 0x19, 0x4d, 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 0843405a..8f7e155e 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 "$param1.MTIzNDU2Nzg5MDCOnsIOWR===.$param2".sha256()
+        return "$param1.MTIzNDU2Nzg5MD7hH6ZvtD===.$param2".sha256()
     }
 }
diff --git a/build.gradle b/build.gradle
index e0ff119f..7a526949 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,8 +5,8 @@ buildscript {
         kotlin_version = '1.6.10'
 
         release = [
-                versionName: "4.13-rc.2",
-                versionCode: 4130020
+                versionName: "4.13-rc.3",
+                versionCode: 4130030
         ]
 
         setup = [