diff --git a/CHANGES.md b/CHANGES.md
index 7fbf564393..76da7609e1 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -20,7 +20,7 @@ Build 🧱:
  -
 
 Other changes:
- -
+ - Upgrade Realm dependency to 10.0.0
 
 Changes in Element 1.0.10 (2020-11-04)
 ===================================================
diff --git a/matrix-sdk-android/build.gradle b/matrix-sdk-android/build.gradle
index e4a8b8884a..29c709844a 100644
--- a/matrix-sdk-android/build.gradle
+++ b/matrix-sdk-android/build.gradle
@@ -9,7 +9,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath "io.realm:realm-gradle-plugin:6.1.0"
+        classpath "io.realm:realm-gradle-plugin:10.0.0"
     }
 }
 
@@ -149,7 +149,7 @@ dependencies {
     implementation 'androidx.exifinterface:exifinterface:1.3.0'
 
     // Database
-    implementation 'com.github.Zhuinden:realm-monarchy:0.5.1'
+    implementation 'com.github.Zhuinden:realm-monarchy:0.7.1'
     kapt 'dk.ilios:realmfieldnameshelper:1.1.1'
 
     // Work
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/CryptoModule.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/CryptoModule.kt
index a8580bab8e..a786ebd4b2 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/CryptoModule.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/CryptoModule.kt
@@ -123,6 +123,7 @@ internal abstract class CryptoModule {
                     }
                     .name("crypto_store.realm")
                     .modules(RealmCryptoStoreModule())
+                    .allowWritesOnUiThread(true)
                     .schemaVersion(RealmCryptoStoreMigration.CRYPTO_STORE_SCHEMA_VERSION)
                     .migration(realmCryptoStoreMigration)
                     .build()
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/RealmKeysUtils.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/RealmKeysUtils.kt
index 6c430e8591..0e3a7a2c49 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/RealmKeysUtils.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/RealmKeysUtils.kt
@@ -18,6 +18,7 @@ package org.matrix.android.sdk.internal.database
 import android.content.Context
 import android.util.Base64
 import androidx.core.content.edit
+import io.realm.Realm
 import org.matrix.android.sdk.BuildConfig
 import org.matrix.android.sdk.internal.session.securestorage.SecretStoringUtils
 import io.realm.RealmConfiguration
@@ -46,7 +47,7 @@ internal class RealmKeysUtils @Inject constructor(context: Context,
     private val sharedPreferences = context.getSharedPreferences("im.vector.matrix.android.keys", Context.MODE_PRIVATE)
 
     private fun generateKeyForRealm(): ByteArray {
-        val keyForRealm = ByteArray(RealmConfiguration.KEY_LENGTH)
+        val keyForRealm = ByteArray(Realm.ENCRYPTION_KEY_LENGTH)
         rng.nextBytes(keyForRealm)
         return keyForRealm
     }
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/SessionRealmConfigurationFactory.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/SessionRealmConfigurationFactory.kt
index 3324520d29..244fe3432a 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/SessionRealmConfigurationFactory.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/SessionRealmConfigurationFactory.kt
@@ -69,6 +69,7 @@ internal class SessionRealmConfigurationFactory @Inject constructor(
                 .apply {
                     realmKeysUtils.configureEncryption(this, SessionModule.getKeyAlias(userMd5))
                 }
+                .allowWritesOnUiThread(true)
                 .modules(SessionRealmModule())
                 .schemaVersion(RealmSessionStoreMigration.SESSION_STORE_SCHEMA_VERSION)
                 .migration(migration)
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/identity/IdentityModule.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/identity/IdentityModule.kt
index 1bb57b47cd..e140cc19f3 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/identity/IdentityModule.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/identity/IdentityModule.kt
@@ -66,6 +66,7 @@ internal abstract class IdentityModule {
                     .apply {
                         realmKeysUtils.configureEncryption(this, SessionModule.getKeyAlias(userMd5))
                     }
+                    .allowWritesOnUiThread(true)
                     .modules(IdentityRealmModule())
                     .build()
         }