diff --git a/.github/workflows/test-main.yml b/.github/workflows/test-main.yml
index e15de1bc..ec6ea4a3 100644
--- a/.github/workflows/test-main.yml
+++ b/.github/workflows/test-main.yml
@@ -40,7 +40,7 @@ jobs:
         # LTS versions, latest version (if exists)
         java-version: [ '17', '21', '25', '26' ]
         # Minimum version, latest release version, latest pre-release version (if exists)
-        kotlin: ['2.1.21', '2.2.21', '2.3.21', '2.4.20-RC']
+        kotlin: ['2.1.21', '2.2.21', '2.3.21', '2.4.21', '2.5.0-Beta1']
     env:
       KOTLIN_VERSION: ${{ matrix.kotlin }}
     name: "Kotlin ${{ matrix.kotlin }} - Java ${{ matrix.java-version }}"