diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ace3931..fcd2a79 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
         jdk: [zulu@1.8, graalvm-ce-java11@20.3.0, openjdk@1.15]
-        scala: [2.12.14, 2.13.6]
+        scala: [2.12.14, 2.13.15]
     name: Test ${{ matrix.os }} -- ${{ matrix.jdk }}
     steps:
       - uses: actions/checkout@v2
diff --git a/build.sbt b/build.sbt
index a709f99..80a5c6b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -89,7 +89,7 @@ lazy val dijon = crossProject(JVMPlatform, JSPlatform, NativePlatform)
   .settings(commonSettings)
   .settings(publishSettings)
   .settings(
-    scalaVersion := "2.13.6", // Update .github/workflows/ci.yml when changing this
+    scalaVersion := "2.13.15", // Update .github/workflows/ci.yml when changing this
     libraryDependencies ++= Seq(
       "com.github.plokhotnyuk.jsoniter-scala" %%% "jsoniter-scala-core" % "2.13.3",
       "org.scala-lang.modules" %%% "scala-collection-compat" % "2.12.0",