diff --git a/.github/scripts/package.sc b/.github/scripts/package.sc
index 109006f..1496acf 100755
--- a/.github/scripts/package.sc
+++ b/.github/scripts/package.sc
@@ -1,4 +1,4 @@
-//> using scala "3.3.1"
+//> using scala "3.3.4"
 //> using lib "com.lihaoyi::os-lib:0.9.1"
 
 import scala.util.Properties
diff --git a/uae/Evaluation.scala b/uae/Evaluation.scala
index fcc670f..d077994 100644
--- a/uae/Evaluation.scala
+++ b/uae/Evaluation.scala
@@ -1,4 +1,4 @@
-//> using scala "3.3.1"
+//> using scala "3.3.4"
 
 // case class Location(val line: Int, val col: Int, val offset: Int)
 // case class Info(start: Location, end: Location)
diff --git a/ulc/FileReader.scala b/ulc/FileReader.scala
index 26d1cd5..56de7c9 100644
--- a/ulc/FileReader.scala
+++ b/ulc/FileReader.scala
@@ -1,4 +1,4 @@
-//> using scala "3.3.1"
+//> using scala "3.3.4"
 
 package ulc
 
diff --git a/ulc/Interpreter.scala b/ulc/Interpreter.scala
index c4fa217..3ae61f8 100644
--- a/ulc/Interpreter.scala
+++ b/ulc/Interpreter.scala
@@ -1,4 +1,4 @@
-//> using scala "3.3.1"
+//> using scala "3.3.4"
 //> using lib "org.typelevel::cats-core::2.10.0"
 //> using lib "org.typelevel::cats-parse::0.3.10"
 
diff --git a/ulc/Interpreter.test.scala b/ulc/Interpreter.test.scala
index 097d1b4..aa0342c 100644
--- a/ulc/Interpreter.test.scala
+++ b/ulc/Interpreter.test.scala
@@ -1,4 +1,4 @@
-//> using scala "3.3.1"
+//> using scala "3.3.4"
 //> using lib "org.typelevel::cats-core:2.10.0"
 //> using lib "org.scalameta::munit::1.0.0"
 
diff --git a/ulc/Main.scala b/ulc/Main.scala
index be54cc1..e503834 100644
--- a/ulc/Main.scala
+++ b/ulc/Main.scala
@@ -1,4 +1,4 @@
-//> using scala "3.3.1"
+//> using scala "3.3.4"
 
 package ulc
 
diff --git a/ulc/Parser.scala b/ulc/Parser.scala
index f6d16f3..07a7fe8 100644
--- a/ulc/Parser.scala
+++ b/ulc/Parser.scala
@@ -1,4 +1,4 @@
-//> using scala "3.3.1"
+//> using scala "3.3.4"
 //> using lib "org.typelevel::cats-core::2.10.0"
 
 package parser