diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0ed83af..3b5e502 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         java: [ '11', '17', '21', '22' ]
-        scala: [ '2.13.14', '2.12.20', '2.11.12', '3.5.0' ]
+        scala: [ '2.13.15', '2.12.20', '2.11.12', '3.5.0' ]
     steps:
     - uses: actions/checkout@v4
     - name: Set up JDK
diff --git a/build.sbt b/build.sbt
index 9e8ae87..aec8bd2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -6,7 +6,7 @@ organization := "io.github.sullis"
 
 scalaVersion := "2.12.20"
 
-crossScalaVersions := Seq(scalaVersion.value, "2.11.12", "2.13.14", "3.5.0")
+crossScalaVersions := Seq(scalaVersion.value, "2.11.12", "2.13.15", "3.5.0")
 
 scalacOptions ++= {
       CrossVersion.partialVersion(scalaVersion.value) match {