diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bb5c42c..a02ffb1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,10 +15,9 @@ jobs:
       matrix:
         java:
         - 11.0.21
-        - 17.0.9
         - 21.0.1
         scala:
-        - 3.4.0
+        - 3.4.2
     steps:
     - name: Check out
       uses: actions/checkout@v4
diff --git a/build.sbt b/build.sbt
index 7a61f2c..a52c00b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,6 @@
 import sbt.Keys.scalacOptions
 
-lazy val scala3_4 = "3.4.0"
+lazy val scala3_4 = "3.4.2"
 
 lazy val commonSettings =
   Seq(
@@ -13,8 +13,7 @@ lazy val commonSettings =
     organizationName := "Umea University",
     organizationHomepage := Some(url("https://www.umu.se/en/department-of-computing-science/")),
     developers := List(
-      Developer("julianmendez", "Julian Alfredo Mendez", "julian.mendez@gmail.com", new URL
-      ("https://julianmendez.github.io"))
+      Developer("julianmendez", "Julian Alfredo Mendez", "julian.mendez@gmail.com", url("https://julianmendez.github.io"))
     ),
 
     /**
@@ -33,7 +32,7 @@ lazy val commonSettings =
      * [[https://github.com/scalatest/scalatest]]
      * [[https://repo1.maven.org/maven2/org/scalatest/]]
      */
-    libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.18" % "test",
+    libraryDependencies += "org.scalatest" %% "scalatest" % "3.2.19" % "test",
     resolvers += Resolver.mavenLocal,
     publishTo := Some(Resolver.mavenLocal),
     publishMavenStyle := true,
diff --git a/docs/RELEASE-NOTES.md b/docs/RELEASE-NOTES.md
index aabb848..e2759f0 100644
--- a/docs/RELEASE-NOTES.md
+++ b/docs/RELEASE-NOTES.md
@@ -4,7 +4,7 @@
   - date: unreleased
   - new_features:
     - first operational example
-  - build: $ `sbt '++ 3.4.0' clean compile test package assembly`
-  - release: target/scala-3.4.0/market-0.1.0.jar
+  - build: $ `sbt '++ 3.4.2' clean compile test package assembly`
+  - release: target/scala-3.4.2/market-0.1.0.jar
 
 
diff --git a/makeall.sh b/makeall.sh
index ecebb01..776c363 100644
--- a/makeall.sh
+++ b/makeall.sh
@@ -7,7 +7,7 @@
 
 sbt scalaVersion sbtVersion version clean compile test package assembly
 
-scalaVersion="3.4.0"
+scalaVersion="3.4.2"
 binaryFile="market"
 executableStub="exec java -jar \$0 \"\$@\" ; exit"
 jarFile="target/scala-${scalaVersion}/${binaryFile}-*.jar"