diff --git a/.travis.yml b/.travis.yml
index 5627249..6d3abcd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ scala:
   - 2.10.7
   - 2.11.12
   - 2.12.8
-  - 2.13.0
+  - 2.13.3
 jdk:
   - oraclejdk8
   - openjdk8
diff --git a/build.sbt b/build.sbt
index 4aa39a5..8da01a1 100644
--- a/build.sbt
+++ b/build.sbt
@@ -14,7 +14,7 @@ lazy val project = Project("project", file("."))
     description := "A Scala-friendly wrapper companion for Typesafe config",
     startYear := Some(2013),
     scalaVersion := "2.12.8",
-    crossScalaVersions := Seq("2.10.7", "2.11.12", scalaVersion.value, "2.13.0"),
+    crossScalaVersions := Seq("2.10.7", "2.11.12", scalaVersion.value, "2.13.3"),
     scalacOptions ++= Seq(
       "-feature",
       "-deprecation",
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 5a977b9..9d1d95b 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,6 +1,6 @@
 resolvers += "Typesafe Repository" at "https://repo.typesafe.com/typesafe/releases/"
 
-addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.6.0")
+addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.6.1")
 
 addSbtPlugin("org.scoverage" % "sbt-coveralls" % "1.2.7")
 
diff --git a/src/main/scala-2.13+/macrocompat/bundle.scala b/src/main/scala-2.13+/macrocompat/bundle.scala
index 3cc6cde..5949dec 100644
--- a/src/main/scala-2.13+/macrocompat/bundle.scala
+++ b/src/main/scala-2.13+/macrocompat/bundle.scala
@@ -1,3 +1,3 @@
 package macrocompat
 
-class bundle
+class bundle extends scala.annotation.Annotation
diff --git a/src/main/scala-2.13+/net/ceedubs/ficus/readers/CollectionReaders.scala b/src/main/scala-2.13+/net/ceedubs/ficus/readers/CollectionReaders.scala
index fcaf525..21f1ca4 100644
--- a/src/main/scala-2.13+/net/ceedubs/ficus/readers/CollectionReaders.scala
+++ b/src/main/scala-2.13+/net/ceedubs/ficus/readers/CollectionReaders.scala
@@ -20,7 +20,7 @@ trait CollectionReaders {
         val entryConfig = entry.atPath(DummyPathValue)
         builder += entryReader.read(entryConfig, DummyPathValue)
       }
-      builder.result
+      builder.result()
     }
   }
 
diff --git a/src/main/scala-2.13-/net/ceedubs/ficus/readers/CollectionReaders.scala b/src/main/scala-2.13-/net/ceedubs/ficus/readers/CollectionReaders.scala
index 9aad140..548e969 100644
--- a/src/main/scala-2.13-/net/ceedubs/ficus/readers/CollectionReaders.scala
+++ b/src/main/scala-2.13-/net/ceedubs/ficus/readers/CollectionReaders.scala
@@ -19,7 +19,7 @@ trait CollectionReaders {
         val entryConfig = entry.atPath(DummyPathValue)
         builder += entryReader.read(entryConfig, DummyPathValue)
       }
-      builder.result
+      builder.result()
     }
   }