diff --git a/app/src/main/assets/pl-changelog.html b/app/src/main/assets/pl-changelog.html
index 131ec20d..840467ee 100644
--- a/app/src/main/assets/pl-changelog.html
+++ b/app/src/main/assets/pl-changelog.html
@@ -1,4 +1,4 @@
-<h3>Wersja 4.11-rc.3, 2021-10-31</h3>
+<h3>Wersja 4.11, 2021-11-01</h3>
 <ul>
     <li>Nowości w module Wiadomości:</li>
     <li>→ <b>Formatowanie tekstu</b> przy wysyłaniu wiadomości oraz dodawaniu wydarzeń.</li>
diff --git a/app/src/main/cpp/szkolny-signing.cpp b/app/src/main/cpp/szkolny-signing.cpp
index 27b03df2..7e03e898 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] = {
-	0x89, 0xe6, 0xba, 0x1c, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff  };
+	0x17, 0xf8, 0xac, 0xf6, 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 318b5494..b28a93fd 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 "$param1.MTIzNDU2Nzg5MDoLs15rw+===.$param2".sha256()
+        return "$param1.MTIzNDU2Nzg5MDlc1YQl9S===.$param2".sha256()
     }
 }
diff --git a/build.gradle b/build.gradle
index d7350f4a..536aae8b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,8 +5,8 @@ buildscript {
         kotlin_version = '1.5.30'
 
         release = [
-                versionName: "4.11-rc.3",
-                versionCode: 4110030
+                versionName: "4.11",
+                versionCode: 4110099
         ]
 
         setup = [