diff --git a/build.gradle b/build.gradle
index b213066423..b6c4a17559 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@
 
 buildscript {
     // Ref: https://kotlinlang.org/releases.html
-    ext.kotlin_version = '1.5.10'
+    ext.kotlin_version = '1.5.20'
     ext.kotlin_coroutines_version = "1.5.0"
     repositories {
         google()
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/worker/WorkerParamsFactory.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/worker/WorkerParamsFactory.kt
index 7aed74d2ca..7a47270efd 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/worker/WorkerParamsFactory.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/worker/WorkerParamsFactory.kt
@@ -46,7 +46,7 @@ internal object WorkerParamsFactory {
 
     inline fun <reified T> fromData(data: Data) = fromData(T::class.java, data)
 
-    fun <T> fromData(clazz: Class<T>, data: Data): T? = tryOrNull("Unable to parse work parameters") {
+    fun <T> fromData(clazz: Class<T>, data: Data): T? = tryOrNull<T?>("Unable to parse work parameters") {
         val json = data.getString(KEY)
         return if (json == null) {
             null