update akka http version
diff --git a/s2http/build.sbt b/s2http/build.sbt
index 944493c..ef020cd 100644
--- a/s2http/build.sbt
+++ b/s2http/build.sbt
@@ -16,8 +16,8 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-lazy val akkaHttpVersion = "10.1.5"
-lazy val akkaVersion = "2.5.18"
+lazy val akkaHttpVersion = "10.1.6"
+lazy val akkaVersion = "2.5.19"
 
 name := "s2http"