diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0ee9488..82289ea 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         java: [ '21' ]
-        scala: [ '3.4.2' ]
+        scala: [ '3.4.3' ]
     steps:
     - uses: actions/checkout@v4
     - name: Set up JDK
diff --git a/build.sbt b/build.sbt
index 131e031..31697bb 100644
--- a/build.sbt
+++ b/build.sbt
@@ -6,7 +6,7 @@ name := "scala-hello-world-app"
 
 organization := "io.github.sullis"
 
-scalaVersion := "3.4.2"
+scalaVersion := "3.4.3"
 
 crossScalaVersions := Seq(scalaVersion.value)