diff --git a/build.sbt b/build.sbt
index 2643b3b..4fec254 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,24 +1,24 @@
-lazy val auth0Version         = "3.16.0"
+lazy val auth0Version         = "3.18.2"
 lazy val codecVersion         = "1.15"
 lazy val configVersion        = "1.4.1"
-lazy val jettyVersion         = "9.4.40.v20210413"
+lazy val jettyVersion         = "9.4.43.v20210629"
 lazy val json4sJacksonVersion = "3.6.11"
 lazy val jansiVersion         = "1.18"
 lazy val jtaVersion           = "1.1"
 lazy val junitVersion         = "4.13.2"
-lazy val logbackVersion       = "1.3.0-alpha4"
-lazy val rxjavaVersion        = "3.0.12"
-lazy val scalatestVersion     = "3.2.8"
+lazy val logbackVersion       = "1.3.0-alpha10"
+lazy val rxjavaVersion        = "3.1.1"
+lazy val scalatestVersion     = "3.2.10"
 lazy val scalatraVersion      = "2.7.1"
 lazy val servletVersion       = "4.0.1"
-lazy val slf4jVersion         = "1.8.0-beta4"
+lazy val slf4jVersion         = "2.0.0-alpha5"
 
 Global / onChangedBuildSource := ReloadOnSourceChanges
 
 lazy val buildSettings = Seq(
   organization := "org.mbari.m3",
-  scalaVersion := "2.13.5",
-  crossScalaVersions := Seq("2.13.5"),
+  scalaVersion := "2.13.6",
+  crossScalaVersions := Seq("2.13.6"),
   organizationName := "Monterey Bay Aquarium Research Institute",
   startYear := Some(2017),
   licenses += ("Apache-2.0", new URL("https://www.apache.org/licenses/LICENSE-2.0.txt"))
@@ -87,7 +87,7 @@ lazy val `panoptes` = (project in file("."))
   .settings(appSettings)
   .settings(
     name := "panoptes",
-    version := "0.2.4",
+    version := "0.2.5",
     fork := true,
     libraryDependencies ++= Seq(
       "com.auth0"            % "java-jwt"            % auth0Version,
diff --git a/project/build.properties b/project/build.properties
index 7107721..14095e1 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1,3 +1,2 @@
-#sbt.version=0.13.15
-sbt.version=1.3.13
+sbt.version=1.5.4
 
diff --git a/src/main/scala/org/mbari/m3/panoptes/converters/json4s/UUIDSerializer.scala b/src/main/scala/org/mbari/m3/panoptes/converters/json4s/UUIDSerializer.scala
index 543ec64..1a68f42 100644
--- a/src/main/scala/org/mbari/m3/panoptes/converters/json4s/UUIDSerializer.scala
+++ b/src/main/scala/org/mbari/m3/panoptes/converters/json4s/UUIDSerializer.scala
@@ -36,7 +36,7 @@ case object UUIDSerializer
             UUID.fromString(s)
           } catch {
             case NonFatal(e) =>
-              throw MappingException(e.getMessage, new java.lang.IllegalArgumentException(e))
+              throw new MappingException(e.getMessage, new java.lang.IllegalArgumentException(e))
           }
         case JNull => null
       }, {
diff --git a/src/main/scala/org/mbari/m3/panoptes/services/MbariDiskArchiver.scala b/src/main/scala/org/mbari/m3/panoptes/services/MbariDiskArchiver.scala
index 5e6655a..edf2ad9 100644
--- a/src/main/scala/org/mbari/m3/panoptes/services/MbariDiskArchiver.scala
+++ b/src/main/scala/org/mbari/m3/panoptes/services/MbariDiskArchiver.scala
@@ -87,7 +87,7 @@ class MbariDiskArchiver extends DiskArchiver {
     } else None
   }
 
-  override def uri(cameraId: String, deploymentId: String, name: String) = {
+  override def uri(cameraId: String, deploymentId: String, name: String): URI = {
     val uriPath = s"$archiveUrl${relativeFilePath(cameraId, deploymentId)}/$name"
     val uriEscaped = uriPath.replace(" ", "%20")
     new URL(uriEscaped).toURI
diff --git a/src/main/scala/org/mbari/m3/panoptes/services/OldStyleMbariDiskArchiver.scala b/src/main/scala/org/mbari/m3/panoptes/services/OldStyleMbariDiskArchiver.scala
index ef66284..3dc9c32 100644
--- a/src/main/scala/org/mbari/m3/panoptes/services/OldStyleMbariDiskArchiver.scala
+++ b/src/main/scala/org/mbari/m3/panoptes/services/OldStyleMbariDiskArchiver.scala
@@ -34,7 +34,9 @@ class OldStyleMbariDiskArchiver extends MbariDiskArchiver {
    */
   override protected def relativeFilePath(cameraId: String, deploymentId: String): String = {
     val parts = deploymentId.split("\\s+")
-    val diveNumber = Try(parts.last.toInt.toString).getOrElse(deploymentId)
+    val diveNumber = Try(parts.last.toInt)
+      .map(s => f"$s%04d")
+      .getOrElse(deploymentId)
     s"$cameraId/images/$diveNumber"
   }