diff --git a/launcher-package/build.sbt b/launcher-package/build.sbt
index e6e753841..a05cca34a 100755
--- a/launcher-package/build.sbt
+++ b/launcher-package/build.sbt
@@ -121,7 +121,7 @@ val root = (project in file(".")).
       file
     },
     // update sbt.sh at root
-    sbtnVersion := "1.10.8",
+    sbtnVersion := "1.11.5",
     sbtnJarsBaseUrl := "https://github.com/sbt/sbtn-dist/releases/download",
     sbtnJarsMappings := {
       val baseUrl = sbtnJarsBaseUrl.value
diff --git a/sbt b/sbt
index afa505a64..0b927a641 100755
--- a/sbt
+++ b/sbt
@@ -25,7 +25,7 @@ declare use_sbtn=
 declare use_jvm_client=
 declare no_server=
 declare sbtn_command="$SBTN_CMD"
-declare sbtn_version="1.10.8"
+declare sbtn_version="1.11.5"
 declare use_colors=1
 declare is_this_dir_sbt=""