diff --git a/dependencies.gradle b/dependencies.gradle
index f19c1d3539..6a70486530 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -9,8 +9,8 @@ ext.versions = [
 
 def gradle = "7.0.2"
 // Ref: https://kotlinlang.org/releases.html
-def kotlin = "1.5.30"
-def kotlinCoroutines = "1.5.1"
+def kotlin = "1.5.31"
+def kotlinCoroutines = "1.5.2"
 def dagger = "2.38.1"
 def retrofit = "2.9.0"
 def arrow = "0.8.2"
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/sync/InitialSyncStrategy.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/sync/InitialSyncStrategy.kt
index 7d93e30191..4bc866b36d 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/sync/InitialSyncStrategy.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/sync/InitialSyncStrategy.kt
@@ -39,7 +39,7 @@ sealed class InitialSyncStrategy {
              * Limit to reach to decide to split the init sync response into smaller files
              * Empiric value: 1 megabytes
              */
-            val minSizeToSplit: Long = 1024 * 1024,
+            val minSizeToSplit: Long = 1_048_576, // 1024 * 1024
             /**
              * Limit per room to reach to decide to store a join room ephemeral Events into a file
              * Empiric value: 1 kilobytes
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/url/PreviewUrlRetriever.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/url/PreviewUrlRetriever.kt
index 4c018c8a99..c97fae055d 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/url/PreviewUrlRetriever.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/url/PreviewUrlRetriever.kt
@@ -146,7 +146,7 @@ class PreviewUrlRetriever(session: Session,
 
     companion object {
         // One week in millis
-        private const val CACHE_VALIDITY: Long = 7 * 24 * 3_600 * 1_000
+        private const val CACHE_VALIDITY = 604_800_000L // 7 * 24 * 3_600 * 1_000
 
         private val blockedDomains = listOf(
                 "https://matrix.to",