diff --git a/util-cache/src/test/scala/CacheSpec.scala b/util-cache/src/test/scala/CacheSpec.scala
index 109fd1247..bce7b9af1 100644
--- a/util-cache/src/test/scala/CacheSpec.scala
+++ b/util-cache/src/test/scala/CacheSpec.scala
@@ -8,7 +8,7 @@ import CacheImplicits._
 import sjsonnew.IsoString
 import sjsonnew.support.scalajson.unsafe.{ CompactPrinter, Converter, Parser }
 
-import scala.json.ast.unsafe.JValue
+import scalajson.ast.unsafe.JValue
 import sbt.internal.util.UnitSpec
 
 class CacheSpec extends UnitSpec {
diff --git a/util-cache/src/test/scala/FileInfoSpec.scala b/util-cache/src/test/scala/FileInfoSpec.scala
index cae8e15b1..813e85371 100644
--- a/util-cache/src/test/scala/FileInfoSpec.scala
+++ b/util-cache/src/test/scala/FileInfoSpec.scala
@@ -1,6 +1,6 @@
 package sbt.util
 
-import scala.json.ast.unsafe._
+import scalajson.ast.unsafe._
 import sjsonnew._, support.scalajson.unsafe._
 import sbt.internal.util.UnitSpec
 
diff --git a/util-cache/src/test/scala/HListFormatSpec.scala b/util-cache/src/test/scala/HListFormatSpec.scala
index e2d5d38fa..a0922d02f 100644
--- a/util-cache/src/test/scala/HListFormatSpec.scala
+++ b/util-cache/src/test/scala/HListFormatSpec.scala
@@ -1,6 +1,6 @@
 package sbt.util
 
-import scala.json.ast.unsafe._
+import scalajson.ast.unsafe._
 import sjsonnew._, support.scalajson.unsafe._
 import CacheImplicits._
 import sbt.internal.util.{ UnitSpec, HNil }
diff --git a/util-cache/src/test/scala/SingletonCacheSpec.scala b/util-cache/src/test/scala/SingletonCacheSpec.scala
index 5956746de..15265f312 100644
--- a/util-cache/src/test/scala/SingletonCacheSpec.scala
+++ b/util-cache/src/test/scala/SingletonCacheSpec.scala
@@ -8,7 +8,7 @@ import CacheImplicits._
 import sjsonnew.{ Builder, deserializationError, IsoString, JsonFormat, Unbuilder }
 import sjsonnew.support.scalajson.unsafe.{ CompactPrinter, Converter, Parser }
 
-import scala.json.ast.unsafe.JValue
+import scalajson.ast.unsafe.JValue
 import sbt.internal.util.UnitSpec
 
 class SingletonCacheSpec extends UnitSpec {