diff --git a/app/src/main/kotlin/com/wire/android/mapper/SystemMessageContentMapper.kt b/app/src/main/kotlin/com/wire/android/mapper/SystemMessageContentMapper.kt
index bf262e2bac..bffa835128 100644
--- a/app/src/main/kotlin/com/wire/android/mapper/SystemMessageContentMapper.kt
+++ b/app/src/main/kotlin/com/wire/android/mapper/SystemMessageContentMapper.kt
@@ -226,6 +226,7 @@ class SystemMessageContentMapper @Inject constructor(
         return UIMessageContent.SystemMessage.RenamedConversation(authorName, content.conversationName)
     }
 
+    @Suppress("CyclomaticComplexMethod")
     fun mapMemberChangeMessage(
         content: MemberChange,
         senderUserId: UserId,
@@ -286,6 +287,8 @@ class SystemMessageContentMapper @Inject constructor(
                 author = authorName,
                 memberNames = memberNameList
             )
+
+            is MemberChange.SelfUserPromotedToAdmin -> UIMessageContent.SystemMessage.SelfUserPromotedToAdmin
         }
     }
 
diff --git a/app/src/main/kotlin/com/wire/android/ui/home/conversations/messages/item/SystemMessageItem.kt b/app/src/main/kotlin/com/wire/android/ui/home/conversations/messages/item/SystemMessageItem.kt
index 3908dcf8c1..7d58b12cdc 100644
--- a/app/src/main/kotlin/com/wire/android/ui/home/conversations/messages/item/SystemMessageItem.kt
+++ b/app/src/main/kotlin/com/wire/android/ui/home/conversations/messages/item/SystemMessageItem.kt
@@ -540,6 +540,13 @@ private fun SystemMessage.buildContent(isWireCellsEnabled: Boolean) = when (this
         }
     }
 
+    is SystemMessage.SelfUserPromotedToAdmin -> buildContent(
+        iconResId = R.drawable.ic_member_role_updated,
+        iconTintColor = MaterialTheme.wireColorScheme.onBackground,
+    ) {
+        stringResource(id = R.string.label_system_message_admin_role_assigned).toMarkdownAnnotatedString()
+    }
+
     is SystemMessage.NewConversationWithCellStarted -> buildContent(
         iconResId = R.drawable.ic_files,
         iconTintColor = MaterialTheme.wireColorScheme.onBackground,
diff --git a/app/src/main/kotlin/com/wire/android/ui/home/conversations/model/UIMessage.kt b/app/src/main/kotlin/com/wire/android/ui/home/conversations/model/UIMessage.kt
index 03628259c3..41b28e31c6 100644
--- a/app/src/main/kotlin/com/wire/android/ui/home/conversations/model/UIMessage.kt
+++ b/app/src/main/kotlin/com/wire/android/ui/home/conversations/model/UIMessage.kt
@@ -612,6 +612,9 @@ sealed interface UIMessageContent {
             }
         }
 
+        @Serializable
+        data object SelfUserPromotedToAdmin : SystemMessage
+
         @Serializable
         data object NewConversationWithCellStarted : SystemMessage
 
diff --git a/app/src/main/res/drawable/ic_member_role_updated.xml b/app/src/main/res/drawable/ic_member_role_updated.xml
new file mode 100644
index 0000000000..67b6e04b86
--- /dev/null
+++ b/app/src/main/res/drawable/ic_member_role_updated.xml
@@ -0,0 +1,27 @@
+<!--
+  ~ Wire
+  ~ Copyright (C) 2026 Wire Swiss GmbH
+  ~
+  ~ This program is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by
+  ~ the Free Software Foundation, either version 3 of the License, or
+  ~ (at your option) any later version.
+  ~
+  ~ This program is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+  ~ GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License
+  ~ along with this program. If not, see http://www.gnu.org/licenses/.
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="14dp"
+    android:height="14dp"
+    android:viewportWidth="14"
+    android:viewportHeight="14">
+  <path
+      android:pathData="M11.5,0C12.881,0 14,1.119 14,2.5V8.5C14,9.881 12.881,11 11.5,11H3.726L0.814,13.345C0.598,13.518 0.284,13.484 0.111,13.269C0.039,13.18 0,13.07 0,12.955V2.5C0,1.119 1.119,0 2.5,0H11.5ZM5.572,2.074C5.465,1.972 5.371,1.99 5.287,2.04C5.058,2.182 4.822,2.322 4.579,2.459C4.475,2.521 4.441,2.599 4.461,2.731C4.586,3.522 4.314,4.189 3.631,4.772C3.599,4.799 3.564,4.824 3.524,4.847C3.462,4.884 3.394,4.914 3.327,4.941L3.228,4.978L3.131,5.022C3.07,5.058 3.035,5.105 3.02,5.172L3.013,5.245L3,6.116C2.998,6.24 3.048,6.317 3.159,6.358C3.564,6.506 3.873,6.795 4.132,7.268C4.387,7.732 4.46,8.201 4.357,8.699C4.34,8.782 4.357,8.849 4.412,8.903L4.459,8.941L5.012,9.3L5.214,9.425C5.237,9.436 5.264,9.446 5.294,9.448C5.328,9.45 5.36,9.443 5.39,9.425L5.421,9.403L5.532,9.293C5.59,9.243 5.654,9.196 5.723,9.155C6.032,8.973 6.459,8.89 6.882,8.935C7.26,8.975 7.595,9.111 7.821,9.314L7.941,9.436L7.978,9.466L8.022,9.489L8.074,9.5L8.123,9.497L8.177,9.48L8.236,9.45L8.904,9.055C9.044,8.973 9.059,8.87 9.045,8.781L9.012,8.609C8.971,8.297 9.041,7.922 9.21,7.558C9.4,7.15 9.687,6.81 9.999,6.626C10.069,6.585 10.14,6.551 10.211,6.526L10.357,6.483C10.397,6.468 10.441,6.439 10.465,6.38L10.48,6.332L10.486,6.272L10.497,5.662L10.5,5.368C10.501,5.255 10.457,5.183 10.363,5.147C9.912,4.976 9.579,4.661 9.346,4.184C9.109,3.698 9.044,3.264 9.141,2.818C9.162,2.722 9.144,2.647 9.085,2.589L9.034,2.547L8.336,2.097C8.236,2.031 8.142,2.057 8.096,2.085L8.064,2.106L7.927,2.22C7.871,2.266 7.811,2.312 7.749,2.349C7.709,2.372 7.671,2.39 7.632,2.405C7.284,2.536 6.957,2.593 6.662,2.574C6.256,2.548 5.9,2.384 5.572,2.074ZM6.75,4C7.716,4 8.5,4.784 8.5,5.75C8.5,6.716 7.716,7.5 6.75,7.5C5.784,7.5 5,6.716 5,5.75C5,4.784 5.784,4 6.75,4Z"
+      android:fillColor="#000000"
+      android:fillType="evenOdd"/>
+</vector>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 6e155a5fc0..fea52bdd6c 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1978,5 +1978,6 @@ In group conversations, the group admin can overwrite this setting.</string>
     <string name="label_system_message_apps_access_enabled_by_other">%1$s enabled **apps** for this conversation</string>
     <string name="label_system_message_apps_access_disabled_by_other">%1$s disabled **apps** for this conversation</string>
     <string name="label_system_message_apps_access_enabled_disclaimer">Added apps have access to the content of this conversation.</string>
+    <string name="label_system_message_admin_role_assigned">You were promoted to group admin</string>
     <string name="more_information_about_this_server">More information about this backend</string>
 </resources>
diff --git a/kalium b/kalium
index ac51876ffc..9a0b40b5dc 160000
--- a/kalium
+++ b/kalium
@@ -1 +1 @@
-Subproject commit ac51876ffcddb1e12b10bdb23aec3d38e6dcdfda
+Subproject commit 9a0b40b5dc7cbf73dc156fc690222a18d4673759