diff --git a/build.sbt b/build.sbt
index 256fc6a..72ab021 100644
--- a/build.sbt
+++ b/build.sbt
@@ -16,15 +16,15 @@ scalaVersion := "3.3.0"
 mainClass := Some("fr.janalyse.cem.Main")
 
 lazy val versions = new {
-  val sttp        = "3.8.15"
-  val zio         = "2.0.15"
-  val zionio      = "2.0.1"
+  val sttp        = "3.9.0"
+  val zio         = "2.0.17"
+  val zionio      = "2.0.2"
   val zioproc     = "0.7.2"
   val zioconfig   = "4.0.0-RC16"
-  val ziologging  = "2.1.13"
-  val ziolmdb     = "1.1.0"
-  val naturalsort = "1.0.2"
-  val jgit        = "6.6.0.202305301015-r"
+  val ziologging  = "2.1.14"
+  val ziolmdb     = "1.4.3"
+  val naturalsort = "1.0.4"
+  val jgit        = "6.7.0.202309050840-r"
   // val logback     = "1.4.7"
   val log4j2      = "2.20.0"
 }
diff --git a/project/build.properties b/project/build.properties
index f5c931f..0821212 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1,2 +1,2 @@
 # suppress inspection "UnusedProperty" for whole file
-sbt.version=1.9.0
+sbt.version=1.9.6
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 5409935..45f6f2c 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -4,4 +4,4 @@ addSbtPlugin("org.xerial.sbt"    % "sbt-sonatype"        % "3.9.21")
 addSbtPlugin("com.timushev.sbt"  % "sbt-updates"         % "0.6.3")
 addSbtPlugin("com.github.sbt"    % "sbt-native-packager" % "1.9.16")
 addSbtPlugin("ch.epfl.scala"     % "sbt-scalafix"        % "0.11.0")
-addSbtPlugin("com.typesafe.play" % "sbt-twirl"           % "1.6.0-RC4")
+addSbtPlugin("com.typesafe.play" % "sbt-twirl"           % "1.6.1")