diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 3347dddcc..4f296cd90 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -33,7 +33,7 @@ object Dependencies {
 
   val scalaParallelCollection = "org.scala-lang.modules" %% "scala-parallel-collections" % "1.0.4"
   val scalaCollectionCompat = "org.scala-lang.modules" %% "scala-collection-compat" % "2.11.0"
-  val sbtTestAgent = "org.scala-sbt" % "test-agent" % "1.9.7"
+  val sbtTestAgent = "org.scala-sbt" % "test-agent" % "1.9.8"
   val scalaMeta = ("org.scalameta" %% "parsers" % "4.8.14").cross(CrossVersion.for3Use2_13)
 
   // test dependencies
diff --git a/project/build.properties b/project/build.properties
index e8a1e246e..abbbce5da 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.9.7
+sbt.version=1.9.8