diff --git a/project/build.properties b/project/build.properties
index 576024d4..34924414 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-sbt.version=1.9.8
+sbt.version=1.9.9