diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1db8cb9..9f5fa6f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        scala: [2.12.14, 2.13.6, 3.0.2]
+        scala: [2.12.14, 2.13.15, 3.0.2]
         java: [adopt@1.8]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/build.sbt b/build.sbt
index 02c4f83..8e4c0b5 100644
--- a/build.sbt
+++ b/build.sbt
@@ -25,7 +25,7 @@ ThisBuild / organizationName := "Typelevel"
 
 ThisBuild / startYear := Some(2021)
 
-ThisBuild / crossScalaVersions := Seq("2.12.14", "2.13.6", "3.0.2")
+ThisBuild / crossScalaVersions := Seq("2.12.14", "2.13.15", "3.0.2")
 
 ThisBuild / githubWorkflowOSes ++= Seq("macos-latest", "windows-latest")