diff --git a/scala/datastax-v4/connection-sigv4/build.sbt b/scala/datastax-v4/connection-sigv4/build.sbt
index e58ced2..6217a52 100644
--- a/scala/datastax-v4/connection-sigv4/build.sbt
+++ b/scala/datastax-v4/connection-sigv4/build.sbt
@@ -3,4 +3,6 @@ version := "1.0"
 scalaVersion := "2.13.4"
 libraryDependencies += "software.aws.mcs" % "aws-sigv4-auth-cassandra-java-driver-plugin" % "4.0.3"
 libraryDependencies += "com.datastax.oss" % "java-driver-core" % "4.8.0"
+libraryDependencies += "org.slf4j" % "slf4j-api" % "1.6.1"
+libraryDependencies += "org.slf4j" % "slf4j-simple" % "1.6.1"
 trapExit := false