diff --git a/delta/testkit/src/main/scala/ch/epfl/bluebrain/nexus/testkit/scalatest/bio/BioSpec.scala b/delta/testkit/src/main/scala/ch/epfl/bluebrain/nexus/testkit/scalatest/bio/BioSpec.scala
index 0d333e5f6b..2ccc32243a 100644
--- a/delta/testkit/src/main/scala/ch/epfl/bluebrain/nexus/testkit/scalatest/bio/BioSpec.scala
+++ b/delta/testkit/src/main/scala/ch/epfl/bluebrain/nexus/testkit/scalatest/bio/BioSpec.scala
@@ -1,5 +1,6 @@
 package ch.epfl.bluebrain.nexus.testkit.scalatest.bio
 
+import ch.epfl.bluebrain.nexus.testkit.bio.IOFixedClock
 import ch.epfl.bluebrain.nexus.testkit.scalatest.BaseSpec
 
-trait BioSpec extends BaseSpec with BIOValues
+trait BioSpec extends BaseSpec with BIOValues with IOFixedClock