diff --git a/scripts/setup-idea.scala b/scripts/setup-idea.scala
index 6778741f9..7a3902605 100755
--- a/scripts/setup-idea.scala
+++ b/scripts/setup-idea.scala
@@ -1,7 +1,7 @@
 #!/usr/bin/env -S scala-cli shebang -S 3
 //> using toolkit latest
 //> using dep com.lihaoyi::pprint::0.8.1
-//> using dep com.lihaoyi::mainargs:0.7.6
+//> using dep com.lihaoyi::mainargs:0.7.8
 //> using options -deprecation -unchecked
 
 import mainargs.{main, arg, ParserForMethods, Flag}