diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 91ff54e..4ac4052 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -15,7 +15,7 @@ import sbt._
 object Dependencies {
 
   object V {
-    val igluCore       = "0.4.0"
+    val igluCore       = "0.5.0"
     val cats           = "1.6.0"
     val circe          = "0.11.1"
     val aws            = "1.11.490"
diff --git a/src/test/scala/com.snowplowanalytics.snowplow.analytics.scalasdk/EventSpec.scala b/src/test/scala/com.snowplowanalytics.snowplow.analytics.scalasdk/EventSpec.scala
index e024a0d..69fa59d 100644
--- a/src/test/scala/com.snowplowanalytics.snowplow.analytics.scalasdk/EventSpec.scala
+++ b/src/test/scala/com.snowplowanalytics.snowplow.analytics.scalasdk/EventSpec.scala
@@ -20,6 +20,7 @@ import java.util.UUID
 // cats
 import cats.data.Validated.{Invalid, Valid}
 import cats.data.NonEmptyList
+import cats.syntax.either._
 
 // circe
 import io.circe.{Json, JsonObject}