diff --git a/project/build.properties b/project/build.properties
index abbbce5..04267b1 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.9.8
+sbt.version=1.9.9
diff --git a/src/sbt-test/artifacts/report-and-inclusion/project/build.properties b/src/sbt-test/artifacts/report-and-inclusion/project/build.properties
index abbbce5..04267b1 100644
--- a/src/sbt-test/artifacts/report-and-inclusion/project/build.properties
+++ b/src/sbt-test/artifacts/report-and-inclusion/project/build.properties
@@ -1 +1 @@
-sbt.version=1.9.8
+sbt.version=1.9.9