diff --git a/logic/src/commonTest/kotlin/com/wire/kalium/logic/sync/receiver/conversation/AccessUpdateHandlerTest.kt b/logic/src/commonTest/kotlin/com/wire/kalium/logic/sync/receiver/conversation/AccessUpdateHandlerTest.kt
new file mode 100644
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+++ b/logic/src/commonTest/kotlin/com/wire/kalium/logic/sync/receiver/conversation/AccessUpdateHandlerTest.kt
@@ -0,0 +1,118 @@
+/*
+ * Wire
+ * Copyright (C) 2024 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/.
+ */
+package com.wire.kalium.logic.sync.receiver.conversation
+
+import com.wire.kalium.logic.StorageFailure
+import com.wire.kalium.logic.data.conversation.Conversation.Access
+import com.wire.kalium.logic.data.conversation.Conversation.AccessRole
+import com.wire.kalium.logic.data.conversation.ConversationMapper
+import com.wire.kalium.logic.data.id.PersistenceQualifiedId
+import com.wire.kalium.logic.data.id.toDao
+import com.wire.kalium.logic.framework.TestConversation
+import com.wire.kalium.logic.framework.TestEvent
+import com.wire.kalium.logic.framework.TestUser
+import com.wire.kalium.logic.functional.Either
+import com.wire.kalium.persistence.dao.conversation.ConversationDAO
+import com.wire.kalium.persistence.dao.conversation.ConversationEntity
+import io.mockative.Mock
+import io.mockative.any
+import io.mockative.coEvery
+import io.mockative.coVerify
+import io.mockative.every
+import io.mockative.matches
+import io.mockative.mock
+import kotlinx.coroutines.runBlocking
+import kotlinx.coroutines.test.runTest
+import kotlin.test.Test
+
+class AccessUpdateHandlerTest {
+
+    @Test
+    fun givenConversationAccessUpdateEvent_whenHandlingIt_thenShouldCallUpdateDatabase() = runTest {
+        // given
+        val event = TestEvent.accessUpdate()
+
+        val (arrangement, eventHandler) = Arrangement()
+            .withMappingModelToDAOAccess(
+                event.access,
+                listOf(ConversationEntity.Access.PRIVATE)
+            )
+            .withMappingModelToDAOAccessRole(
+                event.accessRole,
+                listOf(ConversationEntity.AccessRole.TEAM_MEMBER, ConversationEntity.AccessRole.SERVICE)
+            )
+            .arrange()
+
+        // when
+        eventHandler.handle(event)
+
+        // then
+        coVerify {
+            arrangement.conversationDAO.updateAccess(
+                matches {
+                    it == PersistenceQualifiedId(
+                        value = TestConversation.ID.value,
+                        domain = TestConversation.ID.domain
+                    )
+                },
+                matches {
+                    it.contains(ConversationEntity.Access.PRIVATE)
+                },
+                matches {
+                    it.contains(ConversationEntity.AccessRole.TEAM_MEMBER) &&
+                            it.contains(ConversationEntity.AccessRole.SERVICE)
+                }
+            )
+        }
+    }
+
+    private class Arrangement {
+
+        @Mock
+        val conversationDAO = mock(ConversationDAO::class)
+
+        @Mock
+        val conversationMapper = mock(ConversationMapper::class)
+
+        init {
+            runBlocking {
+                coEvery { conversationDAO.updateAccess(any(), any(), any()) }.returns(Unit)
+            }
+        }
+
+        private val accessUpdateEventHandler: AccessUpdateEventHandler = AccessUpdateEventHandler(
+            selfUserId = TestUser.USER_ID,
+            conversationDAO = conversationDAO,
+            conversationMapper = conversationMapper
+        )
+
+        fun withMappingModelToDAOAccess(param: Set<Access>, result: List<ConversationEntity.Access>) = apply {
+            every {
+                conversationMapper.fromModelToDAOAccess(param)
+            }.returns(result)
+        }
+
+        fun withMappingModelToDAOAccessRole(param: Set<AccessRole>, result: List<ConversationEntity.AccessRole>) = apply {
+            every {
+                conversationMapper.fromModelToDAOAccessRole(param)
+            }.returns(result)
+        }
+
+        fun arrange() = this to accessUpdateEventHandler
+    }
+}