diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 7ba26af..a4edc3a 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -30,7 +30,7 @@ jobs:
         run: ./gradlew apiCheck spotlessCheck
 
   jvm-test-binaries:
-    runs-on: macos-latest
+    runs-on: macos-15
     steps:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
         with:
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b8e7121..2a21e26 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 compileSdk = "35"
-kotlin = "2.3.21"
+kotlin = "2.4.20-Beta2"
 minSdk = "21"
 okio = "3.17.0"