diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 43ca04fc..7e92529e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.14, 2.13.6, 3.0.2]
+        scala: [2.12.14, 2.13.6, 3.3.3]
         java: [adopt@1.8]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/build.sbt b/build.sbt
index 4e1cd779..d6358593 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,7 +1,7 @@
 import ReleaseTransformations._
 
 ThisBuild / organization := "org.dhallj"
-ThisBuild / crossScalaVersions := List("2.12.14", "2.13.6", "3.0.2")
+ThisBuild / crossScalaVersions := List("2.12.14", "2.13.6", "3.3.3")
 ThisBuild / scalaVersion := crossScalaVersions.value.filter(_.startsWith("2")).last
 
 ThisBuild / githubWorkflowJavaVersions := Seq("adopt@1.8")