diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6632c17..ba7b7c3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.20, 2.13.14, 3.3.3]
+        scala: [2.12.20, 2.13.15, 3.3.3]
         java: [temurin@8, temurin@17]
     runs-on: ${{ matrix.os }}
     steps:
@@ -74,7 +74,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.13.14]
+        scala: [2.13.15]
         java: [temurin@8]
     runs-on: ${{ matrix.os }}
     steps:
@@ -109,12 +109,12 @@ jobs:
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (2.13.14)
+      - name: Download target directories (2.13.15)
         uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-2.13.14-${{ matrix.java }}
+          name: target-${{ matrix.os }}-2.13.15-${{ matrix.java }}
 
-      - name: Inflate target directories (2.13.14)
+      - name: Inflate target directories (2.13.15)
         run: |
           tar xf targets.tar
           rm targets.tar
diff --git a/build.sbt b/build.sbt
index 7d151b7..39ae93d 100644
--- a/build.sbt
+++ b/build.sbt
@@ -8,7 +8,7 @@ ThisBuild / versionScheme := Some("always")
 
 Global / onChangedBuildSource := ReloadOnSourceChanges
 
-lazy val scalaVersion213 = "2.13.14"
+lazy val scalaVersion213 = "2.13.15"
 lazy val scalaVersion3   = "3.3.3"
 ThisBuild / scalaVersion       := scalaVersion213
 ThisBuild / crossScalaVersions := Seq("2.12.20", scalaVersion213, scalaVersion3)