diff --git a/build.sbt b/build.sbt
index 95faf3d..5a96024 100644
--- a/build.sbt
+++ b/build.sbt
@@ -58,8 +58,8 @@ lazy val bigqueryDependencies = Seq(
 )
 
 lazy val sparkDependencies = Seq(
-  "org.apache.spark" %% "spark-core" % "3.5.8" % Provided,
-  "org.apache.spark" %% "spark-sql" % "3.5.8" % Provided,
+  "org.apache.spark" %% "spark-core" % "3.5.9" % Provided,
+  "org.apache.spark" %% "spark-sql" % "3.5.9" % Provided,
   scalatest % Test
 )