diff --git a/librarymanagement/src/main/scala/sbt/internal/librarymanagement/formats/NodeSeqFormat.scala b/librarymanagement/src/main/scala/sbt/internal/librarymanagement/formats/NodeSeqFormat.scala
index fbc99e9b9..2a81aa37b 100644
--- a/librarymanagement/src/main/scala/sbt/internal/librarymanagement/formats/NodeSeqFormat.scala
+++ b/librarymanagement/src/main/scala/sbt/internal/librarymanagement/formats/NodeSeqFormat.scala
@@ -4,7 +4,7 @@ import sjsonnew._
 import scala.xml._
 
 trait NodeSeqFormat { self: BasicJsonProtocol =>
-  implicit lazy val NodeSeqFormat: JsonFormat[NodeSeq] = project[NodeSeq, String](
+  implicit lazy val NodeSeqFormat: JsonFormat[NodeSeq] = projectFormat[NodeSeq, String](
     xml => <binary>{ xml }</binary>.toString,
     str => XML.loadString(str).child
   )
diff --git a/librarymanagement/src/main/scala/sbt/internal/librarymanagement/formats/UpdateOptionsFormat.scala b/librarymanagement/src/main/scala/sbt/internal/librarymanagement/formats/UpdateOptionsFormat.scala
index 147e53b80..c948a12c1 100644
--- a/librarymanagement/src/main/scala/sbt/internal/librarymanagement/formats/UpdateOptionsFormat.scala
+++ b/librarymanagement/src/main/scala/sbt/internal/librarymanagement/formats/UpdateOptionsFormat.scala
@@ -18,7 +18,7 @@ trait UpdateOptionsFormat { self: BasicJsonProtocol with ModuleIDFormats with Re
   }
 
   implicit lazy val UpdateOptionsFormat: JsonFormat[UpdateOptions] =
-    project(
+    projectFormat(
       (uo: UpdateOptions) =>
         (
           uo.circularDependencyLevel.name,