diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dfed6c53..64cf5fb2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         java: [8, 11, 17]
-        scala: [2.13.6, 3.0.2]
+        scala: [2.13.6, 3.1.0]
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
diff --git a/build.sbt b/build.sbt
index 78b10af6..39bf91b2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,4 +1,4 @@
-ThisBuild / crossScalaVersions := Seq("2.13.6", "3.0.2")
+ThisBuild / crossScalaVersions := Seq("2.13.6", "3.1.0")
 ThisBuild / scalaVersion := (ThisBuild / crossScalaVersions).value.head
 
 // shouldn't be necessary anymore after https://github.com/lampepfl/dotty/pull/13498