diff --git a/internal/util-scripted/src/main/scala/sbt/internal/scripted/FileCommands.scala b/internal/util-scripted/src/main/scala/sbt/internal/scripted/FileCommands.scala
index 3b5daaef7..3a1dcc1fe 100644
--- a/internal/util-scripted/src/main/scala/sbt/internal/scripted/FileCommands.scala
+++ b/internal/util-scripted/src/main/scala/sbt/internal/scripted/FileCommands.scala
@@ -9,6 +9,7 @@ import java.io.File
 import sbt.io.{ IO, Path }
 import sbt.io.syntax._
 import Path._
+import sbt.io.IO
 
 class FileCommands(baseDirectory: File) extends BasicStatementHandler {
   lazy val commands = commandMap
@@ -67,7 +68,8 @@ class FileCommands(baseDirectory: File) extends BasicStatementHandler {
   def newer(a: String, b: String): Unit = {
     val pathA = fromString(a)
     val pathB = fromString(b)
-    val isNewer = pathA.exists && (!pathB.exists || pathA.lastModified > pathB.lastModified)
+    val isNewer = pathA.exists &&
+        (!pathB.exists || IO.getModifiedTime(pathA) > IO.getModifiedTime(pathB))
     if (!isNewer) {
       scriptError(s"$pathA is not newer than $pathB")
     }
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 439ff5650..453f20649 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -7,7 +7,7 @@ object Dependencies {
   val scala211 = "2.11.12"
   val scala212 = "2.12.4"
 
-  private val ioVersion = "1.1.1"
+  private val ioVersion = "1.1.2"
 
   private val sbtIO = "org.scala-sbt" %% "io" % ioVersion
 
diff --git a/util-cache/src/main/scala/sbt/util/FileInfo.scala b/util-cache/src/main/scala/sbt/util/FileInfo.scala
index 6fcb3d619..2a26e193d 100644
--- a/util-cache/src/main/scala/sbt/util/FileInfo.scala
+++ b/util-cache/src/main/scala/sbt/util/FileInfo.scala
@@ -4,8 +4,9 @@
 package sbt.util
 
 import java.io.File
+import java.io.FileNotFoundException
 import scala.util.control.NonFatal
-import sbt.io.Hash
+import sbt.io.{ Hash, IO }
 import sjsonnew.{ Builder, JsonFormat, Unbuilder, deserializationError }
 import CacheImplicits._
 
@@ -49,6 +50,12 @@ object FilesInfo {
 }
 
 object FileInfo {
+
+  // returns 0L if file does not exist
+  private def getModifiedTimeOrZero(file: File) =
+    try IO.getModifiedTime(file)
+    catch { case _: FileNotFoundException => 0L }
+
   sealed trait Style {
     type F <: FileInfo
 
@@ -88,7 +95,7 @@ object FileInfo {
     }
 
     implicit def apply(file: File): HashModifiedFileInfo =
-      FileHashModified(file.getAbsoluteFile, Hash(file).toList, file.lastModified)
+      FileHashModified(file.getAbsoluteFile, Hash(file).toList, getModifiedTimeOrZero(file))
   }
 
   object hash extends Style {
@@ -145,7 +152,7 @@ object FileInfo {
     }
 
     implicit def apply(file: File): ModifiedFileInfo =
-      FileModified(file.getAbsoluteFile, file.lastModified)
+      FileModified(file.getAbsoluteFile, getModifiedTimeOrZero(file))
   }
 
   object exists extends Style {
diff --git a/util-cache/src/test/scala/FileInfoSpec.scala b/util-cache/src/test/scala/FileInfoSpec.scala
index debd427c7..62e941254 100644
--- a/util-cache/src/test/scala/FileInfoSpec.scala
+++ b/util-cache/src/test/scala/FileInfoSpec.scala
@@ -3,10 +3,11 @@ package sbt.util
 import sjsonnew.shaded.scalajson.ast.unsafe._
 import sjsonnew._, support.scalajson.unsafe._
 import sbt.internal.util.UnitSpec
+import sbt.io.IO
 
 class FileInfoSpec extends UnitSpec {
   val file = new java.io.File(".").getAbsoluteFile
-  val fileInfo: ModifiedFileInfo = FileModified(file, file.lastModified())
+  val fileInfo: ModifiedFileInfo = FileModified(file, IO.getModifiedTime(file))
   val filesInfo = FilesInfo(Set(fileInfo))
 
   it should "round trip" in assertRoundTrip(filesInfo)