diff --git a/akka-http-tests/src/test/scala/akka/http/scaladsl/server/directives/PathDirectivesSpec.scala b/akka-http-tests/src/test/scala/akka/http/scaladsl/server/directives/PathDirectivesSpec.scala
index c42cd701c34..da6637b99da 100644
--- a/akka-http-tests/src/test/scala/akka/http/scaladsl/server/directives/PathDirectivesSpec.scala
+++ b/akka-http-tests/src/test/scala/akka/http/scaladsl/server/directives/PathDirectivesSpec.scala
@@ -208,7 +208,9 @@ class PathDirectivesSpec extends RoutingSpec with Inside {
     val test = testFor(pathPrefix(JavaUUID) { echoCaptureAndUnmatchedPath })
     "accept [/bdea8652-f26c-40ca-8157-0b96a2a8389d]" inThe test("bdea8652-f26c-40ca-8157-0b96a2a8389d:")
     "accept [/bdea8652-f26c-40ca-8157-0b96a2a8389dyes]" inThe test("bdea8652-f26c-40ca-8157-0b96a2a8389d:yes")
-    "accept [/00000000-0000-0000-0000-000000000000]" inThe test("00000000-0000-0000-0000-000000000000:")
+    "accept [/00000000-0000-0000-0000-000000000000]" inThe test("00000000-0000-0000-0000-000000000000:") // nil uuid
+    "accept [/733a018b-5f16-4699-0e1a-1d3f6f0d0315]" inThe test("733a018b-5f16-4699-0e1a-1d3f6f0d0315:") // variant 0
+    "accept [/733a018b-5f16-4699-fe1a-1d3f6f0d0315]" inThe test("733a018b-5f16-4699-fe1a-1d3f6f0d0315:") // future variant
     "reject [/]" inThe test()
     "reject [/abc]" inThe test()
   }
diff --git a/akka-http-tests/src/test/scala/akka/http/scaladsl/unmarshalling/UnmarshallingSpec.scala b/akka-http-tests/src/test/scala/akka/http/scaladsl/unmarshalling/UnmarshallingSpec.scala
index ec3b541f8a1..12a59c3a681 100644
--- a/akka-http-tests/src/test/scala/akka/http/scaladsl/unmarshalling/UnmarshallingSpec.scala
+++ b/akka-http-tests/src/test/scala/akka/http/scaladsl/unmarshalling/UnmarshallingSpec.scala
@@ -46,6 +46,14 @@ class UnmarshallingSpec extends FreeSpec with Matchers with BeforeAndAfterAll wi
       val uuid = UUID.randomUUID()
       Unmarshal(uuid.toString).to[UUID] should evaluateTo(uuid)
     }
+    "uuidUnmarshaller should unmarshal variant 0 uuid" in {
+      val uuid = UUID.fromString("733a018b-5f16-4699-0e1a-1d3f6f0d0315")
+      Unmarshal(uuid.toString).to[UUID] should evaluateTo(uuid)
+    }
+    "uuidUnmarshaller should unmarshal future variant uuid" in {
+      val uuid = UUID.fromString("733a018b-5f16-4699-fe1a-1d3f6f0d0315")
+      Unmarshal(uuid.toString).to[UUID] should evaluateTo(uuid)
+    }
     "uuidUnmarshaller should unmarshal nil uuid" in {
       Unmarshal("00000000-0000-0000-0000-000000000000").to[UUID] should evaluateTo(UUID.fromString("00000000-0000-0000-0000-000000000000"))
     }
diff --git a/akka-http/src/main/scala/akka/http/scaladsl/server/PathMatcher.scala b/akka-http/src/main/scala/akka/http/scaladsl/server/PathMatcher.scala
index 660b1d5c679..bf0a1518bc8 100644
--- a/akka-http/src/main/scala/akka/http/scaladsl/server/PathMatcher.scala
+++ b/akka-http/src/main/scala/akka/http/scaladsl/server/PathMatcher.scala
@@ -486,7 +486,7 @@ trait PathMatchers {
    * @group pathmatcher
    */
   val JavaUUID: PathMatcher1[UUID] =
-    PathMatcher("""[\da-fA-F]{8}-[\da-fA-F]{4}-[1-5][0-9a-fA-F]{3}-[89abAB][\da-fA-F]{3}-[\da-fA-F]{12}|00000000-0000-0000-0000-000000000000""".r)
+    PathMatcher("""[\da-fA-F]{8}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{12}""".r)
       .map(UUID.fromString)
 
   /**
diff --git a/akka-http/src/main/scala/akka/http/scaladsl/unmarshalling/PredefinedFromStringUnmarshallers.scala b/akka-http/src/main/scala/akka/http/scaladsl/unmarshalling/PredefinedFromStringUnmarshallers.scala
index 84765796d6b..7b6eecd017f 100755
--- a/akka-http/src/main/scala/akka/http/scaladsl/unmarshalling/PredefinedFromStringUnmarshallers.scala
+++ b/akka-http/src/main/scala/akka/http/scaladsl/unmarshalling/PredefinedFromStringUnmarshallers.scala
@@ -47,7 +47,7 @@ trait PredefinedFromStringUnmarshallers {
 
   implicit val uuidFromStringUnmarshaller: Unmarshaller[String, UUID] = {
     val validUuidPattern =
-      "[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-5][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000".r.pattern
+      """[\da-fA-F]{8}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{12}""".r.pattern
 
     Unmarshaller.strict[String, UUID] { string =>
       if (validUuidPattern.matcher(string).matches)